Irregularity may occur on the earth’s surface in the form of mountains due to the imperfection of the earth’s crust. To explore the influence of horizontally polarized shear waves on mountains, we considered the fluid-saturated porous medium over an orthotropic semi-infinite medium with rigid and soft mountain surfaces for wave propagation. The mountain surface is defined mathematically as a periodic function of the time domain. The physical interpretation of materials’ structure has been explained in rectangular Cartesian coordinate (...) system originated at the contact interface of layer and half-space. The displacement of the mountains has been derived by solving energy equations analytically. The influence of rigid and soft mountain surfaces on the phase velocity of shear waves has been demonstrated graphically. (shrink)

This paper examines the justifications for using infinite systems to 'recover' thermodynamic properties, such as phase transitions (PT), critical phenomena (CP), and irreversibility, from the micro-structure of matter in bulk. Section 2 is a summary of such rigorous methods as in taking the thermodynamic limit (TL) to recover PT and in using renormalization (semi-) group approach (RG) to explain the universality of critical exponents. Section 3 examines various possible justifications for taking TL on physically finite systems. Section 4 (...) discusses the legitimacy of applying TL to the problem of irreversibility and assesses the repercussions for its legitimacy on its home turf. (shrink)

We extend the hierarchy of finite-dimensional Ellentuck spaces to infinite dimensions. Using uniform barriers [Formula: see text] on [Formula: see text] as the prototype structures, we construct a class of continuum many topological Ramsey spaces [Formula: see text] which are Ellentuck-like in nature, and form a linearly ordered hierarchy under projections. We prove new Ramsey-classification theorems for equivalence relations on fronts, and hence also on barriers, on the spaces [Formula: see text], extending the Pudlák–Rödl theorem for barriers on the (...) Ellentuck space. The inspiration for these spaces comes from continuing the iterative construction of the forcings [Formula: see text] to the countable transfinite. The [Formula: see text]-closed partial order [Formula: see text] is forcing equivalent to [Formula: see text], which forces a non-p-point ultrafilter [Formula: see text]. This work forms the basis for further work classifying the Rudin–Keisler and Tukey structures for the hierarchy of the generic ultrafilters [Formula: see text]. (shrink)

By operations on models we show how to relate completeness with respect to permissivenominal models to completeness with respect to nominal models with finite support. Models with finite support are a special case of permissive-nominal models, so the construction hinges on generating from an instance of the latter, some instance of the former in which sufficiently many inequalities are preserved between elements. We do this using an infinite generalisation of nominal atoms-abstraction. The results are of interest in their own (...) right, but also, we factor the mathematics so as to maximise the chances that it could be used off-the-shelf for other nominal reasoning systems too. Models with infinite support can be easier to work with, so it is useful to have a semi-automatic theorem to transfer results from classes of infinitely-supported nominal models to the more restricted class of models with finite support. In conclusion, we consider different permissive-nominal syntaxes and nominal models and discuss how they relate to the results proved here. (shrink)

This paper proposes an extension of Chaitin's halting probability Ω to a measurement operator in an infinite dimensional quantum system. Chaitin's Ω is defined as the probability that the universal self-delimiting Turing machine U halts, and plays a central role in the development of algorithmic information theory. In the theory, there are two equivalent ways to define the program-size complexity H of a given finite binary string s. In the standard way, H is defined as the length of the (...) shortest input string for U to output s. In the other way, the so-called universal probability m is introduced first, and then H is defined as –log2m without reference to the concept of program-size.Mathematically, the statistics of outcomes in a quantum measurement are described by a positive operator-valued measure in the most general setting. Based on the theory of computability structures on a Banach space developed by Pour-El and Richards, we extend the universal probability to an analogue of POVM in an infinite dimensional quantum system, called a universal semi-POVM. We also give another characterization of Chaitin's Ω numbers by universal probabilities. Then, based on this characterization, we propose to define an extension of Ω as a sum of the POVM elements of a universal semi-POVM. The validity of this definition is discussed.In what follows, we introduce an operator version equation image of H in a Hilbert space of infinite dimension using a universal semi-POVM, and study its properties. (shrink)

The density of states of a rectangular billiard with an Aharonov–Bohm flux line in its center was calculated in the semiclassical approximation and was used for the calculation of the form factor in the diagonal approximation. The distribution of nearest level spacings and the form factor were calculated also numerically. For some values of the flux these were found to be close to the ones of the semi-Poisson statistics. The difference between the numerical results and the semiclassical ones (...) were found to be much larger than for chaotic and for integrable systems within similar approximations. Possible reasons for these discrepancies are discussed. (shrink)

This thesis explores Heidegger's attempt to move beyond the recuperative powers of the dialectic. Its title announces a certain aporia: the "beyond," of course, is precisely what Hegel claims to have transcended; and he has determined that all attempts to overcome him--refutation, opposition, supersession; reversal , inversion , bisection , dissection , periodization --only confirm the potency of the original system. Heidegger displays an acute self-consciousness concerning such aporias of "overcoming." ;This thesis inscribes the Heideggerean project within the horizon of (...) speculative idealism. Heidegger appears to be embroiled in Hegel's earlier struggle with Reflexionsphilosophie . He seems to oscillate between two poles: between a "speculative" drive to surpassing the limit and a "reflective" hesitation or acquiescence at the barrier ; between "good infinite" and "bad infinite"; ultimately between Vernunft and Verstand. Heidegger appears "speculative" in his resistance to the bad infinite in its modern guises , the flux of das Man, the seriality of Technik, the fragmentations of a political aggregate). He appears "reflective" or "Romantic" in his appeal to a "task of thinking": interminable, provisional, forever "underway." He thus appears, at one time, both to resuscitate all Hegel's protests against Reflexionsphilosophie and to vindicate a "philosophy of finitude" which risks relapsing into just the terms Hegel had sought to surpass. Heidegger's thought is neither Spekulation nor Reflexion: it risks the appearance of both in order to negotiate a space between. The movement "'beyond' Aufhebung" is thus in fact a movement between a philosophy of Aufhebung and a philosophy of the "beyond" . ;Such oscillation compels us to rethink the metaphysics of the limit; here a line is traced which may not be comprehended by a speculative logic, and which has many different aspects . This thesis explores these various aspects as they unfold throughout the Heideggerean corpus but with particular reference to Zur Seinsfrage. (shrink)

Background Speaking up to safeguard patients is a crucial ethical and moral obligation for nurses, but it is also a difficult and potentially dangerous component of nursing work. Health advocacy is gaining impetus in the medical literature, despite being hampered by barriers resulting in many nurses in Ghana remaining mute when faced with advocacy-required situations. We explored situations that thwart nurses from performing their health advocacy role. Research question What would cause nurses to take no action when they witness situations (...) that require them to act as health advocates for their clients or communities? Research Design An inductive, descriptive qualitative design was used to collect and analyse data on barriers that prevent nurses from practising their health advocacy role in Ghana. Individual one-on-one in-depth interviews were conducted using a semi-structured interview guide. The data were analysed using qualitative content analysis. Participants and research context Twenty-four professional nurses and midwives registered with the Nursing and Midwifery Council were recruited from three regional hospitals in Ghana. These public hospitals were chosen from the upper, middle and coastal regions. Ethical considerations The UKZN Ethics Review Committee in South Africa and the GHS Ethics Review Committee in Ghana both gave their approval for this study. Findings Intrapersonal barriers, interpersonal barriers, and structural barriers emerged as major obstacles that nurses experience when performing their health advocacy role. Conclusions Barriers to health advocacy have undermined nurses' ability to function as health advocates and are preventing them from utilising their health advocacy position in nursing practise. Giving nursing students positive role models in the classroom and in the clinic can help them become more effective health advocates. (shrink)

Hospitals in many countries have had clinical ethics committees for over 20 years. Despite this, there has been little research to evaluate these committees and growing evidence that they are underutilized. To address this gap, we investigated the question ‘What are the barriers and facilitators nurses and physicians perceive in consulting their hospital ethics committee?’ Thirty-four nurses, 10 nurse managers and 31 physicians working at four Canadian hospitals were interviewed using a semi-structured interview guide as part of a larger (...) investigation. We used content analysis of the interview data related to barriers and facilitators to use of hospital ethics committees to identify nine categories of barriers and nine categories of facilitators. These categories as well as their subcategories are discussed and those specific to nurses or physicians are identified. The need to increase health professionals' use of clinical ethics committees through reducing barriers and maximizing facilitators is discussed. (shrink)

The ‘Turing barrier’ is an evocative image for 0′, the degree of the unsolvability of the halting problem for Turing machines—equivalently, of the undecidability of Peano Arithmetic. The ‘barrier’ metaphor conveys the idea that effective computability is impaired by restrictions that could be removed by infinite methods. Assuming that the undecidability of PA is essentially depending on the finite nature of its computational means, decidability would be restored by the ω-rule. Hypercomputation, the hypothetical realization of infinitary machines (...) through relativistic and quantium models, would thus be capable of breaking the Turing barrier. The speculation is unfounded in principle, apart from issues of physical realizability: The point is that the ω-rule does not cope with all objects entailing the undecidability of PA. As long as the system is consistent, the computational boundary can be established by paradox-like constructions, such as Gödel-Rosser’s and Yablo’s, which are refractory to infinite induction, and do stand as the barrier’s buttresses. (shrink)

Background: Emergency care providers are frequently faces with situations in which they have to make decisions quickly in stressful situations. They face barriers to ethical decision-making and recognizing and finding solutions to these barriers helps them to make ethical decision. Objectives: The purpose of this study was to identify barriers of ethical decision-making in Iranian Emergency Medical Service personnel. Methods: In this qualitative research, the participants (n = 15) were selected using the purposive sampling method, and the data were collected (...) by deep and semi-structured interviews. Finally, the data are analyzed using the content analysis approach. Ethical considerations: Permission to conduct the study was obtained from the Ethics Committee of the Shahid Beheshti University of Medical Sciences. The objectives of the study were explained to the participants and written consent was received from them. Also, participants were assured that necessary measures were taken to protect their anonymity and confidentiality. Findings: The results of the analysis are classified in five main categories. It encompasses the following areas: perception of situation, patient-related factors, input and output imbalance, uncoordinated health system, and paradoxes. Conclusion: Emergency Medical Service personnel make ethical decisions every day. It is important that prehospital personnel know how to manage those decisions properly so that clients’ moral rights are respected. Hence, by identifying the dimensions and obstacles of ethical decision-making in Emergency Medical Service personnel, it is possible to enhance the moral judgment and ethical accountability of the personnel and develop the strategies necessary for ethical decision-making in them. (shrink)

In an earlier paper the authors discussed some super-tasks by means of a kinematical interpretation. In the present paper we show a semi-formal way that a more abstract treatment is possible. The core idea of our approach is simple: if a super-task can be considered as a union of (finite) tasks, it is natural to define the effect of the super-task as the union of the effects of the finite tasks it consists of. We show that this approach enables (...) us to handle two of the three super-tasks that we discussed earlier. We also argue that recent objections against our original kinematical interpretation do not hold water. One of our arguments is based on the construction of an elegant correspondence between the first of those three super-tasks and Zeno's Achilles and the Tortois. (shrink)

A problem for Aristotelian realist accounts of universals (neither Platonist nor nominalist) is the status of those universals that happen not to be realised in the physical (or any other) world. They perhaps include uninstantiated shades of blue and huge infinite cardinals. Should they be altogether excluded (as in D.M. Armstrong's theory of universals) or accorded some sort of reality? Surely truths about ratios are true even of ratios that are too big to be instantiated - what is the (...) truthmaker of such truths? It is argued that Aristotelianism can answer the question, but only a semi-Platonist form of it. (shrink)

Approaches to self‐management traditionally focus upon individual capacity to make behavioural change. In this paper, we use Bourdieu's concepts of habitus and capital to demonstrate the impact of structural inequalities upon chronic illness self‐management through exploring findings from 28 semi‐structured interviews conducted with people from a lower socioeconomic region of Adelaide, South Australia who have type 2 diabetes. The data suggests that access to capital is a significant barrier to type 2 diabetes self‐management. While many participants described having (...) sufficient cultural capital to access and assess health information, they often lacked economic capital and social capital in the form of support networks who promote health. Participants were often involved in social networks in which activities which are contrary to self‐management have symbolic value. As a consequence, they entered relationships with health professionals at a disadvantage. We conclude that structural barriers to self‐management arising from habitus resulting in the performance of health behaviours rooted in cultural and class background and limited access to capital in the form of economic resources, social networks, health knowledge and prestige may have a negative impact on capacity for type 2 diabetes self‐management. (shrink)

Background Since dignity is one of the fundamental rights of each patient, maintaining patients’ dignity is essential. Unfortunately, in many cases, particularly among patients with schizophrenia (SCZ), dignity is not fully respected. Nonetheless, there is limited knowledge regarding this matter in Middle Eastern Nations. Research Objective This study aimed to identify the barriers to maintaining dignity for patients with schizophrenia from the perspective of patients with schizophrenia, their family caregivers, and healthcare personnel. Research Design This qualitative study was conducted with (...) patients ( n = 16), family caregivers ( n = 4), and healthcare personnel ( n = 6) who were selected using a purposeful sampling method. The data were collected through semi-structured, in-depth face-to-face interviews until the data reached saturation. Data were analyzed using the Graneheim and Lundman method. Ethical Considerations The Research Ethics Committee of Urmia University of Medical Sciences (IR.UMSU.REC.1401.099). Findings Analysis of the interviews revealed two main themes and five subthemes as the barriers to maintaining dignity for patients with schizophrenia. The main themes included “Black shadow of stigma” (three subthemes: “Facing the fear and discrimination of others,” “Misconceptions in society,” and “Social rejection”) and “Facing violations” (two subthemes: “Basic human rights violation” and “Negative emotional responses”). Conclusion Patients’ dignity with schizophrenia was at a low level due to the negative attitude of society toward these patients. In this respect, the basic human rights violations, social rejection, and misconceptions were abundant in society and care centers. An in-depth comprehension of the threatening factors affecting dignity can assist policymakers in safeguarding their dignity through effective programs. (shrink)

In Japan, most residents with Hansen’s disease live in dedicated sanatoria because of an established quarantine policy, even after being cured of the primary disease. They suffer from secondary diseases and are advancing in age, and advance care planning is increasingly crucial for them to live their lives with dignity in a sanatorium. In this study, we have three aims: to understand how to promote communication about their wishes for medical treatment, care, and recuperation; to identify required assistance; and to (...) explore how to promote ACP in a sanatorium. This study is a qualitative research conducted through semi-structured interviews. The study included 57 ex-Hansen’s disease patients and 66 staff from 10 facilities. Ex-Hansen’s disease patients were expected to consider ACP, but this was in the context of uncertainty about whether a sanatorium would close and whether there would be doctors to manage their needs. They reported being confused when staff rushed to confirm their advance directives, feeling that they were not provided with enough information before being approached. Barriers to promoting ACP were found to be insufficient of team-based care and information sharing, ex-Hansen’s disease patients’ weak interest in their end of life, and their conservative thoughts. We believe that ACP can be achieved by listening to the wishes of recovered patients through regular home care visits by nurses and everyday support by care workers. Furthermore, multidisciplinary coordination is urgently needed for promoting ACP. (shrink)

The variety $\mathbb{DHMSH}$ of dually hemimorphic semi-Heyting algebras was introduced in 2011 by the second author as an expansion of semi-Heyting algebras by a dual hemimorphism. In this paper, we focus on the variety $\mathbb{DHMSH}$ from a logical point of view. The paper presents an extensive investigation of the logic corresponding to the variety of dually hemimorphic semi-Heyting algebras and of its axiomatic extensions, along with an equally extensive universal algebraic study of their corresponding algebraic semantics. Firstly, (...) we present a Hilbert-style axiomatization of a new logic called "Dually hemimorphic semi-Heyting logic" ($\mathcal{DHMSH}$, for short), as an expansion of semi-intuitionistic logic $\mathcal{SI}$ (also called $\mathcal{SH}$) introduced by the first author by adding a weak negation (to be interpreted as a dual hemimorphism). We then prove that it is implicative in the sense of Rasiowa and that it is complete with respect to the variety $\mathbb{DHMSH}$. It is deduced that the logic $\mathcal{DHMSH}$ is algebraizable in the sense of Blok and Pigozzi, with the variety $\mathbb{DHMSH}$ as its equivalent algebraic semantics and that the lattice of axiomatic extensions of $\mathcal{DHMSH}$ is dually isomorphic to the lattice of subvarieties of $\mathbb{DHMSH}$. A new axiomatization for Moisil's logic is also obtained. Secondly, we characterize the axiomatic extensions of $\mathcal{DHMSH}$ in which the "Deduction Theorem" holds. Thirdly, we present several new logics, extending the logic $\mathcal{DHMSH}$, corresponding to several important subvarieties of the variety $\mathbb{DHMSH}$. These include logics corresponding to the varieties generated by two-element, three-element and some four-element dually quasi-De Morgan semi-Heyting algebras, as well as a new axiomatization for the 3-valued Łukasiewicz logic. Surprisingly, many of these logics turn out to be connexive logics, only a few of which are presented in this paper. Fourthly, we present axiomatizations for two infinite sequences of logics namely, De Morgan Gödel logics and dually pseudocomplemented Gödel logics. Fifthly, axiomatizations are also provided for logics corresponding to many subvarieties of regular dually quasi-De Morgan Stone semi-Heyting algebras, of regular De Morgan semi-Heyting algebras of level 1, and of JI-distributive semi-Heyting algebras of level 1. We conclude the paper with some open problems. Most of the logics considered in this paper are discriminator logics in the sense that they correspond to discriminator varieties. Some of them, just like the classical logic, are even primal in the sense that their corresponding varieties are generated by primal algebras. (shrink)

Background While most countries that allow abortion on women’s request also grant physicians a right to conscientious objection (CO), this has proven to constitute a potential barrier to abortion access. Conscientious objection is regarded as an understudied phenomenon the effects of which have not yet been examined in Germany. Based on expert interviews, this study aims to exemplarily reconstruct the processes of abortion in a mid-sized city in Germany, and to identify potential effects of conscientious objection. Methods Five (...) class='Hi'>semi-structured interviews with experts from all instances involved have been conducted in April 2020. The experts gave an insight into the medical care structures with regard to abortion procedures, the application and manifestations of conscientious objection in medical practice, and its impact on the care of pregnant women. A content analysis of the transcribed interviews was performed. Results Both the procedural processes and the effects of conscientious objection are reported to differ significantly between early abortions performed before the 12th week of pregnancy and late abortions performed at the second and third trimester. Conscientious objection shows structural consequences as it is experienced to further reduce the number of possible providers, especially for early abortions. On the individual level of the doctor-patient relationship, the experts confirmed the neutrality and patient-orientation of the vast majority of doctors. Still, it is especially late abortions that seem to be vulnerable to barriers imposed by conscientious objection in individual medical encounters. Conclusion Our findings indicate that conscientious objection possibly imposes barriers to both early and late abortion provision and especially in the last procedural steps, which from an ethical point of view is especially problematic. To oblige hospitals to partake in abortion provision in Germany has the potential to prevent negative impacts of conscientious objection on women’s rights on an individual as well as on a structural level. (shrink)

Background: An overview of ethical sensitivity among Chinese registered nurses is needed to develop and optimize the education programs and interventions to cultivate and improve ethical sensitivity. Aim: The study was conducted to explore the barriers to and facilitators of ethical sensitivity among Chinese registered nurses working in hospital settings. Research design: A convergent parallel mixed-methods research design was adopted. Participants and research context: In the cross-sectional quantitative study, the Chinese Moral Sensitivity Questionnaire–revised version was used to assess the levels (...) of ethical sensitivity among registered nurses, and the scores were correlated with key demographics, training experiences in ethics, and workplace cultural environments ( n = 306). In the qualitative study, semi-structured interviews were used to elicit the nurses’ perceptions of the barriers and facilitators in nurturing ethical sensitivity ( n = 15). The data were collected from February to June 2014. Ethical considerations: This study was approved by the Institutional Review Boards of Yale University and Central South University. Results: Despite moderately high overall Chinese Moral Sensitivity Questionnaire–revised version scores, the ethical sensitivity among Chinese nurses lags in practice. Barriers to ethical sensitivity include the lack of knowledge related to ethics, lack of working experience as a nurse, the hierarchical organizational climate, and the conformist working attitude. The positive workplace cultural environments and application of ethical knowledge in practice were considered potential facilitators of ethical sensitivity. Discussion: The findings of this study were compared with studies from other countries to examine the barriers and facilitators of ethical sensitivity in Chinese nurses. Conclusion: This mixed-methods study showed that even though the Chinese nurses have moderately high sensitivity to the ethical issues encountered in hospitals, there is still room for improvement. The barriers to and facilitators of ethical sensitivity identified here offer new and important strategies to support and enhance the nurses’ sensitivity to ethical issues. (shrink)

GPs usually care for their patients for an extended period of time, therefore, requests to not only discontinue a patient’s treatment but to assist a patient in a suicide are likely to create intensely stressful situations for physicians. However, in order to ensure the best patient care possible, the competent communication about the option of physician assisted suicide as well as the assessment of the origin and sincerity of the request are very important. This is especially true, since patients’ requests (...) for PAS can also be an indicator for unmet needs or concerns. Twenty-three qualitative semi-structured interviews were conducted to in-depth explore this multifaceted, complex topic while enabling GPs to express possible difficulties when being asked for assistance. The analysis of the gathered data shows three main themes why GPs may find it difficult to professionally communicate about PAS: concerns for their own psychological well-being, conflicting personal values or their understanding of their professional role. In the discussion part of this paper we re-assess these different themes in order to ethically discuss and analyse how potential barriers to professional communication concerning PAS could be overcome. (shrink)

This article problematizes claims of women’s empowerment in “masculine” sports through an exploration of women’s participation in mixed martial arts —a combat sport colloquially referred to as “cage fighting.” MMA, perhaps more than any other sport, allows women athletes to challenge patriarchal beliefs about gender by demonstrating women’s capacity for physical violence and domination. But whereas investigations into MMA have produced important findings for studies of men and masculinities, there has been surprisingly little attention paid to women’s participation in this (...) hypermasculine world. This article begins to fill this gap through an ethnographic account of this growing sport. Drawing from more than four years of ethnographic fieldwork and 40 semi-structured interviews with professional women’s MMA athletes, I show how the neoliberal–postfeminist culture of MMA undermines its empowerment potential by shaping gendered subjecthood in ways that are conducive to the maintenance of gender inequality. I conclude by discussing the implications of my findings for women’s empowerment in sport. (shrink)

BackgroundPatients with chronic conditions are less physically active than the general population despite knowledge of positive effects on physical and mental health. There is a variety of reasons preventing people with disabilities from achieving levels of physical activities resulting in health benefits. However, less is known about potential facilitators and barriers for physical activity in people with severe movement impairments. The aim of this study was to identify obstacles and facilitators of PA in individuals with severe disabilities.Materials and methodsUsing a (...) qualitative approach to explore individuals’ subjective perspectives in depth, five community-dwelling adults living with chronic mobility impairments after stroke that restrict independent PA were interviewed. A semi structured topic guide based on the theoretical domains framework was utilized. The interview data was analyzed thematically, and the theoretical domains framework constructs were mapped onto the main and sub-categories.ResultsThe six main categories of facilitators and barriers along the capability, opportunity, motivation–behavior framework were: physical capabilities, psychological capabilities, motivation reflective, motivation automatic, opportunity physical, and opportunity social. The physical capabilities to independently perform PA were variable between participants but were not necessarily perceived as a barrier. Participants were highly motivated to maintain and/or increase their abilities to master their everyday lives as independently as possible. It became clear that a lack of physical opportunities, such as having access to adequate training facilities can present a barrier. Social opportunities in the form of social support, social norms, or comparisons with others can act as both facilitators and barriers.ConclusionWhile confirming known barriers and facilitators that impact the ability of individuals with functional limitations to be active, the findings highlight the need and opportunities for comprehensive service models based on interdisciplinary collaborations. (shrink)

Mental health challenges appear to be extremely problematic among correctional service employees, affecting persons working in community, institutional, and administrative correctional services. Focusing specifically on giving voice to correctional workers employed by the Ontario Ministry of Community Services and Corrections, we shed light on their interpretations of the complexities of their occupational work and of how their work affects staff. We show that participants encounter barriers to treatment seeking, which they describe as tremendous, starting with benefits, wages, and shift work. (...) We let the voices of staff elucidate what is needed to create a healthier correctional workforce. Recommendations include more training opportunities and programs; quarterly, semi-annual, or annual appointments with a mental health professional who can assess changes in the mental health status of employees; off-site assessments to ensure confidentiality; and team building opportunities to reduce inter-personal conflict at work and increase moral by improving the work environment. (shrink)

Data access committees (DAC) gatekeep access to secured genomic and related health datasets yet are challenged to keep pace with the rising volume and complexity of data generation. Automated decision support (ADS) systems have been shown to support consistency, compliance, and coordination of data access review decisions. However, we lack understanding of how DAC members perceive the value add of ADS, if any, on the quality and effectiveness of their reviews. In this qualitative study, we report findings from 13 (...) class='Hi'>semi-structured interviews with DAC members from around the world to identify relevant barriers and facilitators to implementing ADS for genomic data access management. Participants generally supported pilot studies that test ADS performance, for example in cataloging data types, verifying user credentials and tagging datasets for use terms. Concerns related to over-automation, lack of human oversight, low prioritization, and misalignment with institutional missions tempered enthusiasm for ADS among the DAC members we engaged. Tensions for change in institutional settings within which DACs operated was a powerful motivator for why DAC members considered the implementation of ADS into their access workflows, as well as perceptions of the relative advantage of ADS over the status quo. Future research is needed to build the evidence base around the comparative effectiveness and decisional outcomes of institutions that do/not use ADS into their workflows. (shrink)

This study seeks to gain knowledge about key conditions in the process of digitalization using a socio-technical systems design as a theoretical framework and a case-study approach. Semi-structured interviews with 15 relevant stakeholders are conducted to learn about barriers to and enablers of the development and implementation process in a manufacturing company. After conducting a thematic analysis, eight higher-ranked themes relevant to the digitalization process are identified. These are grouped to describe the overarching phenomena, resulting in four enablers and (...) four barriers. The study takes a holistic view of digitalization in its investigation of the development and subsequent implementation processes. The findings contribute to the literature via three key takeaways for stakeholders of a digitalization process in manufacturing. First, it is vital to understand and strengthen the role of the key enablers identified in this paper. Second, managers should observe and identify barriers in their own organizations, related both to technical and social aspects. Third, some of the enablers described in this paper can serve managers as helpful tools to approach the expected barriers to digitalization. This paper also challenges the research literature by arguing that research conducted on digitalization that sets new standards and premises for the working life in industry needs to use up-to-date socio-technical design concepts and theories. (shrink)

Quadruple Helix Collaborations (QHCs) is a cooperation model in which industry, government, academia, and the public interact to innovate. This paper analyses the impact of a training intervention to provide specific knowledge, skills, and attitudes to deal with barriers commonly found in the progress of QHCs. We designed, implemented, and evaluated three training programs in Austrian, Colombian, Danish, and Spanish institutions. We analysed trainees’ (n = 66) and trainers’ (n = 9) perceptions to identify the competencies acquired with the intervention (...) and the approach’s limitations. We used online questionnaires (35 trainees; 9 trainers), semi-structured interviews (10 trainees), and a focus group (6 trainers). Trainees answered positively regarding their self-perception about the impact of the course and highlighted the acquisition of inspiration for their practice (score 4.1 out of 5.0) and knowledge (3.7). In contrast, they perceived that a deeper interaction with other participants (2.7) was challenging. After the courses, 74% of respondents indicated that they know more about how QHCs work in practice, and 86% about collaboration or engagement methods. Moreover, participants plan to be more sensitive towards setting common goals (71%) and power imbalances (63%). Trainers’ perceptions align with those expressed by participants, except that they considered that the interaction amongst participants during the course was higher. Qualitative analysis of interviews with participants and the focus group with trainers provides more detail about the strengths and weaknesses of the intervention. Our study shows that the collaborative design and implementation of training impact the participant’s learning competencies, with potential implications in their medium- to long-term practice. (shrink)

Critical thinking is crucial in today’s environments, yet university students show low levels, requiring targeted interventions. The Socratic method is recognized for critical thinking development, while Internet memes offer a promising approach to enhancing this skill and promoting evidence-based argumentation. Previous studies suggest that professors perceive both positively in higher education. Nevertheless, the literature lacks insight into professors' willingness, enablers, and barriers for adopting them together. Therefore, this qualitative study, using semi-structured interviews with eleven Mexican university professors, explores their (...) willingness to incorporate a combination of the Socratic method and Internet memes to enhance critical thinking, and examines their underlying enablers and barriers. The study found that professors are familiar with both tools and willing to using them together to foster critical thinking, citing enablers like students' affinity for memes and the method's reflective power. However, they also identified barriers such as limited curriculum time, restrictive classroom layouts, and a generational gap affecting mutual understanding of memes. This study concludes that the research agenda of Higher Education Institutions (HEIs) could include the combined use of memes and the Socratic method to leverage the benefits of both, which include the Socratic method's reflective depth, and the innovative engagement offered by Internet memes. (shrink)

Shifting dietary patterns from animal-based proteins to more plant-based and alternative protein sources – the protein transition – is urgently needed to improve planetary and human health. Public food procurement is considered to be an effective policy instrument to accelerate the protein transition and to be a potential game changer towards a sustainable food system. However, this potential has remained far from leveraged, and it is largely unknown which barriers and enablers exist in that context. Therefore, this study aimed to (...) gain insight into the barriers and facilitators that are perceived by relevant stakeholders when implementing the protein transition in public food procurement. Our study was conducted in the Netherlands, because of the policy goals set by the Dutch government with regard to the protein transition (50% of the proteins consumed should include animal-based proteins and 50% plant-based proteins by 2030) and because the extent to which the protein transition has been included in the food procurement of Dutch (semi-)public organizations is still largely unknown. However, findings are also relevant for other countries. Semi-structured interviews were conducted with participants from a wide range of (semi-)public organizations (e.g., universities, hospitals, governments), in 2022. Five main themes of barriers and facilitators were identified: (1) support and motivation, (2) food availability and offerings, (3) financial considerations and incentives, (4) policies, processes, and contracts, and (5) environmental factors. The insights from this study can strengthen the scientific evidence base and can serve as a foundation for future research. Moreover, the insights can be beneficial to officials working in (semi-)public organizations to effectively design and execute their procurement process, and can help policymakers in policy development to foster (semi-)public organizations to implement the protein transition in their own contexts. (shrink)

There is significant research on the motivations and migration experiences of South Asian international students in Australia and the United Kingdom (UK); however, the employability journeys of this group are not well understood. This article addresses this gap, illuminating the specific employability challenges experienced and perceived by South Asian postgraduate international students enrolled in Australia and the UK. Drawing on qualitative research comprising semi-structured interviews with 30 South Asian postgraduate international students studying at a university in Australia and in (...) the UK, the findings highlight significant barriers to employability along four key axes: time pressures from study and adjustment issues (micro); lack of internship opportunities offered at the universities (meso); lack of culturally tailored university career services (meso) and perceptions of employers’ as well as Government policy implications (macro). Acknowledging and understanding these findings are important for universities to support South Asian international student employability experiences and graduate outcomes to remain competitive in the global job market. The findings suggest recommendations to enhance the employability of South Asian students in the UK and Australia. (shrink)

The purpose of the current research was to explore and expose discourses that constrain how Black women engage with health and well-being practices, specifically long-distance running, therapy, and adhering to a vegan diet. The theoretical framework for this research builds upon Black feminist thought and the Foucauldian concepts governmentality and disciplinary power. I employed aspects of netnography and conducted 28 semi-structured interviews with Black millennial women in the United States. I argue that disciplinary power constrained how the Black women (...) in this study engaged with the well-being practices. However, the participants resisted disciplinary power by rejecting the discursive barriers that would deter them from freely engaging with the well-being practices. The current articulation of discursive barriers refers to discourses that deter Black women from engaging with the well-being practices and other activities because they are Black women. Contexts where discursive barriers circulate and constrain Black women’s health are identified. The rationale behind health-related discursive barriers and connections to health disparities are also discussed. (shrink)

Shifting dietary patterns from animal-based proteins to more plant-based and alternative protein sources – the protein transition – is urgently needed to improve planetary and human health. Public food procurement is considered to be an effective policy instrument to accelerate the protein transition and to be a potential game changer towards a sustainable food system. However, this potential has remained far from leveraged, and it is largely unknown which barriers and enablers exist in that context. Therefore, this study aimed to (...) gain insight into the barriers and facilitators that are perceived by relevant stakeholders when implementing the protein transition in public food procurement. Our study was conducted in the Netherlands, because of the policy goals set by the Dutch government with regard to the protein transition (50% of the proteins consumed should include animal-based proteins and 50% plant-based proteins by 2030) and because the extent to which the protein transition has been included in the food procurement of Dutch (semi-)public organizations is still largely unknown. However, findings are also relevant for other countries. Semi-structured interviews were conducted with participants from a wide range of (semi-)public organizations (e.g., universities, hospitals, governments), in 2022. Five main themes of barriers and facilitators were identified: (1) support and motivation, (2) food availability and offerings, (3) financial considerations and incentives, (4) policies, processes, and contracts, and (5) environmental factors. The insights from this study can strengthen the scientific evidence base and can serve as a foundation for future research. Moreover, the insights can be beneficial to officials working in (semi-)public organizations to effectively design and execute their procurement process, and can help policymakers in policy development to foster (semi-)public organizations to implement the protein transition in their own contexts. (shrink)

Though hippocampal volume reduction is a pathological hallmark of schizophrenia, the molecular pathway responsible for this degeneration remains unknown. Recent reports have suggested the potential role of impaired blood-brain barrier function in schizophrenia pathogenesis. However, direct evidence demonstrating an impaired BBB function is missing. In this preliminary study, we used immunohistochemistry and serum immunoglobulin G antibodies to investigate the state of BBB function in formalin-fixed postmortem samples from the hippocampus and surrounding temporal cortex of patients with schizophrenia and controls (...) without schizophrenia matched for age, sex, and race. Since a functional BBB prevents the extravasation of IgGs, detection of IgGs in the parenchyma is used as direct evidence of BBB breakdown. We also developed a semi-quantitative approach to quantify the extent of IgG leak and therein BBB breach. Analysis of our immunohistochemistry data demonstrated a significantly higher incidence of IgG leak in patients with schizophrenia compared to controls. Further, BBB permeability was significantly higher in advanced-age patients with schizophrenia than both advanced-age controls and middle-aged patients with schizophrenia. Male patients with schizophrenia also demonstrated a significant increase in IgG permeability compared to control males. Interestingly, the extravasated IgGs also demonstrated selective immunoreactivity for neurons. Based on these observations, we suggest that BBB dysfunction and IgG autoantibodies could be two key missing pathoetiological links underwriting schizophrenia hippocampal damage. (shrink)

En 2014, la Suisse a ratifié la Convention des Nations Unies relative aux droits des personnes handicapées, qui établit comme l’un de ses principes directeurs la participation et l’intégration pleines et effectives des personnes handicapées dans la société. La présente étude examine l’expérience vécue et l’agentivité des personnes handicapées vivant en Suisse en ce qui concerne les stratégies d’adaptation auxquelles elles ont eu recours en réponse aux obstacles à leur participation dans des domaines de la vie tels que l’éducation, la (...) formation professionnelle et l’emploi. Vingt-six personnes représentant quatre groupes de handicaps (mobilité, visuel, psychosocial, intellectuel et développemental) et trois cohortes d’âge (nées vers 1950, 1970 ou 1990) ont participé à des entretiens semi-structurés sur le parcours de vie. Les récits montrent comment les individus ont fait face aux contraintes structurelles de leur participation de différentes manières et en fonction de leur situation individuelle. Toutefois, les stratégies d’adaptation identifiées peuvent être classées en trois grands types (adaptation, évitement et confrontation), qui représentent différentes formes d’agentivité avec des perspectives différentes de démantèlement des contraintes structurelles. L’article examine les implications théoriques et pratiques en ce qui concerne la maîtrise des contraintes structurelles et l’amélioration de l’agentivité et de la liberté de choix des personnes handicapées. (shrink)

This paper argues that Artificial General Intelligence—understood as a closed algorithmic system (even when realised as finite cascades of meta-models, evolutionary “oracles,” or other tool-chains)—faces a hard limit. Whenever a task requires the system to cope with an unlimited, non-compressible range of symbols or possibilities, an Infinite-Choice Barrier appears: no computable policy can guarantee success. Building on Kant’s frame-bound cognition, Gödelian incompleteness, and heavy-tail statistics, we show that a sealed programme cannot (i) step outside its own representational frame, (...) (ii) mint genuinely new semantic primitives, or (iii) reason stably in open decision spaces. Familiar obstacles—incompleteness, frame lock-in, heavy-tail shocks, post-hoc value shifts—are all faces of this one barrier. The upshot: machine cognition is best viewed as bounded optimisation inside a fixed symbol space; surpassing the barrier would need primitives or guidance that the original programme does not contain. (shrink)

Micro and small businesses contribute the majority of business activity in the most developed economies. They are typically embedded in local communities and therefore well placed to influence community wellbeing. While there has been considerable theoretical and empirical analysis of corporate citizenship and corporate social responsibility (CSR), the nature of micro-business community responsibility (mBCR) remains relatively under-explored. This article presents findings from an exploratory study of mBCR that examined the approaches, motivations and barriers of this phenomenon. Analysis of data from (...) 36 semi-structured interviews with micro-business owner-operators in the Australian city of Brisbane revealed three mBCR approaches, suggesting an observable mBCR typology. Each mBCR type was at least partly driven by enlightened self-interest (ESI). In addition to a pure ESI approach, findings revealed ESI combined with philanthropic approaches and ESI combined with social entrepreneurial approaches. The combination of doing business and doing good found amongst participants in this study suggests that many micro-business owner-operators are supporters of their local communities and, therefore, driven by more than profit. This study provides a fine-grained understanding of micro-business involvement in community wellbeing through a lens of responsible business behaviour. (shrink)

The effects of the COVID-19 pandemic have rippled across the United States’ (US) agri-food system, illuminating considerable issues. US seed systems, which form the foundation of food production, were particularly marked by panic-buying and heightened safety precautions in seed fulfillment facilities which precipitated a commercial seed sector overwhelmed and unprepared to meet consumer demand for seed, especially for non-commercial growers. In response, prominent scholars have emphasized the need to support both formal (commercial) and informal (farmer- and gardener-managed) seed systems to (...) holistically aid growers across various contexts. However, limited attention to non-commercial seed systems in the US, coupled with a lack of consensus surrounding what exactly a resilient seed system looks like, first warrants an exploration into the strengths and vulnerabilities of existing seed systems. This paper seeks to examine how growers navigated challenges in seed sourcing and how this may reflect the resilience of the seed systems to which they belong. Using a mixed-methods approach which includes data from online surveys (n = 158) and semi-structured interviews (n = 31) with farmers and gardeners in Vermont, findings suggest that growers were able to adapt – albeit through different mechanisms depending on their positionality (commercial or non-commercial) within the agri-food system. However, systemic challenges emerged including a lack of access to diverse, locally adapted, and organic seeds. Insights from this study illuminate the importance of creating linkages between formal and informal seed systems in the US to help growers respond to manifold challenges, as well as promote a robust and sustainable stock of planting material. (shrink)

Many results in logic and mathematics rely on techniques that allow for concrete, often visual, representations of abstract concepts. A primary example of this phenomenon in logic is the distinction between syntax and semantics, itself an example of the more general duality in mathematics between algebra and geometry. Such representations, however, often rely on the existence of certain maximal objects having particular properties such as points, possible worlds or Tarskian first-order structures. -/- This dissertation explores an alternative to such representations (...) known as possibility semantics. Its core idea is to replace maximal objects with ordered systems of partial approximations. Although it originates in the semantics of modal logic and the representation of abstract ordered structures, I argue that it has far-reaching mathematical, foundational and philosophical significance, especially in the context of semiconstructive mathematics, a foundational framework that does not assume any fragment of the Axiom of Choice beyond the Axiom of Dependent Choices. -/- The dissertation is divided in two main parts. The first part explores various applications of the mathematical framework underlying possibility semantics to lattice theory and non-classical propositional logics. A major theme is the development of constructive dualities for various categories of lattices, which are related to standard non-constructive dualities via Vietoris constructions. -/- The second part of the dissertation explores the alternative foundational setting of semi-constructive mathematics, focusing on three applications of possibility semantics for classical first-order logic to the philosophy of the mathematical infinite. In particular, we introduce generic powers, a semi-constructive analogue of ultrapowers in classical model theory, and we explore the merits of these structures from a foundational, conceptual and historical viewpoint. (shrink)

The infinite time Turing machine analogue of Post's problem, the question whether there are semi-decidable supertask degrees between 0 and the supertask jump 0∇, has in a sense both positive and negative solutions. Namely, in the context of the reals there are no degrees between 0 and 0∇, but in the context of sets of reals, there are; indeed, there are incomparable semi-decidable supertask degrees. Both arguments employ a kind of transfinite-injury construction which generalizes canonically to oracles.

Hypercomputation—the hypothesis that Turing-incomputable objects can be computed through infinitary means—is ineffective, as the unsolvability of the halting problem for Turing machines depends just on the absence of a definite value for some paradoxical construction; nature and quantity of computing resources are immaterial. The assumption that the halting problem is solved by oracles of higher Turing degree amounts just to postulation; infinite-time oracles are not actually solving paradoxes, but simply assigning them conventional values. Special values for non-terminating processes are (...) likewise irrelevant, since diagonalization can cover any amount of value assignments. This should not be construed as a restriction of computing power: Turing’s uncomputability is not a ‘barrier’ to be broken, but simply an effect of the expressive power of consistent programming systems. (shrink)

In lieu of an abstract, here is a brief excerpt of the content:Frames, Contexts, Community, JusticeRanjana Khanna (bio)There is a photograph of Jacques Derrida, aged about three, in a toy car at his childhood home in Algiers [fig. 1]. It is not an unusual photograph; in fact, its typicality is striking. It is the kind of photograph one might find in most family albums. Little boys are often found in toy cars, just as little girls are frequently holding a doll, (...) or dancing.1 The codes of a family album, transposed to an academic album, highlight the manner in which typicality itself tells a story of framing, of gendered gestures, of senses of belonging, of familial legend making, and of intellectual genealogy.2 And such codes provide a frame for a general contextual understanding of the photograph and therefore [End Page 11] Click for larger view View full resolutionFigure 1.Photograph of Jacques Derrida aged 3. Printed in Geoffrey Bennington and Jacques Derrida, Jacques Derrida (Paris: Seuil, 1991) 9.[End Page 12]for what Barthes calls its studium.3 But, as Barthes remarked in his Camera Lucida, a book about photography and about his dead mother, there is frequently something else in a photograph: the punctum. It wounds a viewer, and remains in the viewer's memory when he or she looks away from the photograph. It is a singular relationality, and, for the mourning Barthes, encloses the possibility of a hopeful reciprocity. For me, however, beyond the gendered coding of this photograph, it is not the promise of a reciprocity, but the demand of something unknowable that exists potentially beyond the frame of the photograph. A rectangular void that appears to be the back window of a large car opens onto an unknown. The opening itself is a wounding of the frame.The photograph includes multiple frames, in the sense that a doubling occurs with one frame in the foreground, with Derrida in his toy car, and another frame in the background, with a real car. The child in his car is enclosed in this scene through perpendicular lines, as if framing him in a safe world. The real car is separated by these lines, as if in a square on its own. And through the rear window of this car, there is another enclosure, a rectangular opening, which alerts the viewer to an infinite regression of frames, each enclosing its own image and its own universe, each thematizing the mobility that suggests it could move beyond its immediate frame. This superimposition of a toy car onto an adult scene of mobility not only alerts the viewer to the thematic exploration of infinite generational migration and immigration but also presents us with a visual doubling and echoing, itself suggesting the excess that always exceeds the frame. The frame may appear to exist on its own terms, permitting or excluding hospitality to its hostile excess, and yet what persists in this photograph is the permeability of the frame and its necessary acknowledgment of the other at its border, which both frames and unframes.A frame both determines and supplements meaning. It is both host to meaning and simultaneously hostile to its narrow condition. This rendition of the frame visualizes both its enclosed protective nature as host, and its permeability to the outside, to a potentially hostile supplement. Derrida's thinking has explored the concepts of framing and hospitality in a manner that has often called attention to, and yet not engaged with, women as a sometimes hostile supplement. The concept of hospitality, whether political, academic, domestic, or psychical, has allowed, however, for a consideration of something that supplements this thinking, and indeed this boyhood photograph of potential mobility: the various frames in which Algerian women have been situated, and their different relation to gesture, mobility, and symbolization in the modern period. This article engages with Derrida's work on framing and hospitality in order to reach its supplement, allowing for a consideration of the political stakes of doing feminist work across borders. The stakes of the philosophical apparatus that seem pertinent to the ethical work of postcolonial feminism are permeated with questions of framing and hospitality. Academic hospitality means an openness to one's subject matter, which would include... (shrink)

It is peculiar, and perhaps formidable, that in several languages a feuille de papier (a sheet of paper) has the same name as a feuille d'arbre (tree leaf), which bears no resemblance to it. Yet, the avenues of thought offered by this kinship are so rich that one is astonished not to see them followed more frequently. The first thing that stands out is the disparity between the relatively monotonous character of sheets of paper—if not in texture, then at least (...) in form, which systematically turns out to be rectangular—and the astonishing diversity of tree leaves displaying an extraordinarily wide spectrum of shapes, textures, and sizes. This diversity is in a sense infinite, and any walk in the forest confirms it:... Read More. (shrink)

continent. 2.1 (2012): 29–35. Translated by Vincent W.J. van Gerven Oei from Jeroen Mettes. "Politieke Poëzie: Enige aantekeningen, Poëtica bij N30 (versie 2006)." In Weerstandbeleid: Nieuwe kritiek . Amsterdam: De wereldbibliotheek, 2011. Published with permission of Uitgeverij Wereldbibliotheek, Amsterdam. L’égalité veut d’autres lois . —Eugène Pottier The modern poem does not have form but consistency (that is sensed), no content but a problem (that is developed). Consistency + problem = composition. The problem of modern poetry is capitalism. Capitalism—which has no (...) image: the unrepresentable Idea of “everything.” The problem is that a poem cannot be justified. There is no excuse for it. Political poetry— pure poetry—has to be problematic, though not in a mannerist way. Yes, its problem is first its own problem—poetry’s existence in the same world as the newspaper—but therefore also always everybody’s problem (the problem of any world at all). The cult of the sublime points at a suspect desire for transcendence, nostalgia for paradise lost (the womb?). Melancholia of the post-. But a problem neither sorrows nor mourns, it is alive, and the fact that it is alive is the problem—the problem for death (rigidity, the status quo). Our symbols and ideologies do not hide any god: symbolic = state; imaginary = human; real = money. Problem: the possibility of communal speech (poetry) in the absence of a “we.” Or: what is a “we” that is not a collective subject (or in any case is not a volonté générale )? What is a universal history that is not a History? This work was started in the shade of the anti-globalization protests at the end of November 1999. I considered N30 to be the closure of the nineties, of my adolescence, and of the a seemingly total extinction of social desire. From the beginning I was skeptical about the alterglobalization movement as the avant-garde of a new politics, but something was happening . Maybe this event did not show that, as the slogan would have it, “another world” is possible, but for me it indicated that such possibility was at least still possible. That naked possibility is carrying forward. And if the fundamental tone of this work sounds more desperate than utopian, this is not caused by the catastrophic sequence that since 1999 has plunged us ever deeper into the right-wing nightmare—a nightmare that this work also gives an account for—but because my hope as yet remains empty. Composition . Composition is no design, but the production of an autonomous block of affects (i.e. a POEM), rhythmically subtracted from the language of a community. A poem does something. Is something. New Sentence . Choosing the non sequitur as compositional unit has the advantage that an abstract composition is subjected to the stress of concrete, social references. Where there is a sentence, there is always a world. (This does not hold necessarily for words on their own.) And where sentences collide, something akin to a textual civil war takes place. It is not about “undermining” whatever, or de-scribing the raging global civil war, but about writing social (or even: ontological) antagonism -- including all its catastrophic and utopian possibilities. Minor resistance. Why would poetry be the no protest zone par excellence? It is nothing but protest, not simply qua “content,” but in its most fundamental essence: rhythm. Rhythm is resistance against language, time, and space, and the basis of (what we will continue to call) autonomy. Rhythm starts with the anti-rhythmic caesura as Hölderlin remarked about Sophocles, a disruption of the quotidian drone. The destruction of everything that is dead inside of us. The noise of the avant-garde has never been the representation of the noise of (post)modernity (from the television or shopping mall), but the sober noise of the systematic exchange of an unbearable worldview. The poet does not describe, but looks for a way out: There is a Grain of Sand in Lambeth that Satan cannot find Nor can his Watch Fiends find it, tis translucent & has many Angles But he who finds it will find Oothoons palace, for within Opening into Beulah every angle is a lovely heaven William Blake was not mad. And there has always been only one poetry: the poetry of paradise. The principle is that there is something in art (the essentially creative element) that is disgusted by that which, unlike art, does not aim for the supreme. Wonder is not supreme, tranquility is not supreme, beauty is not supreme. Even amusement is not supreme! The supreme is supremely open, “das Einfache,/ Das Schwer zu machen ist” 1 : paradise. That is abstract. Literally. For me it is not about a concrete imagination, an idyll or utopia. There is no doubt a need for that, but it is not so much the supposed lack of imagination or ideals (human rights are ideals), but a fundamental lack of desire (human rights are no desires) that we suffer from, and from which we do not need to remove Nietzsche’s label of “nihilism.” “We.” George Oppen: “ Of Being Numerous asks the question whether or not we can deal with humanity as something which actually exists.” What is less actual than humanity? Nowadays it appears as a lifeless ideology of cynical power politics. Or as what makes one think. It is a shame to be human. The event is the caesura that defines rhythm. Writing toward the event is not the description of the event, but marking an abstract and intense space in which the event may unfold and keep itself. It is a task. “Remember that thou blesseth the day on which I seized thee, because such is thy obligation.” The event is a contraction (or a series of contractions) with its own rhythm and unique qualities. It is more than an explosion or demonstration. But at the same time less. The endless repetition of images and stories in the media points to a fear for the indeterminate and indeterminable void of the event. In the end there is nothing to see. We do not live in disaster’s shade or miracle’s light, but rather in the rhythm, which is contracted time, having little to do with omnipresent representations. For this book I did not intend a rhythm of evental representations (a narrative rhythm), but a rhythm which would be an event itself , because it draws the border between artwork and history. My desire for a direct engagement with the “extra-textual reality” has nothing to do with the representation of “rumor in the streets.” (What has less street cred than representation?) Naturally, a poem is no historical event and does not change anything. But a poem is a part of history that wants to be repeated forever, constructed in such a way that it is worthy of repetition. It is a part of desire (composition) made consistent (durable). The “historical event” flares up and burns down, and has to burn down to be effective. The leftovers are images and stories (representations), History—no event. The artwork—that is the ambition— remains event (though monumental and inefficient/inoperable). (No wonder that a historical singularity, a revolution, reminds us of a work of art; the resurrection yearns for a judgment, an affirmation; everything depends on it.) Hence the title does not summarize the book, let alone contract its “content” into a quasi-transcendental signifier. The title is juxtaposed to the book, like everything else inside the book, and in that relation it precisely forms a part of it. The ideal work is an open whole, lacking nothing but to which everything may be added. I have been interested in this “everything,” the world, or as I said above: capitalism. “Everything” is not the space for “wonder”—a code word, a shibboleth for petty bourgeois imagination (I recognize myself in the strangest things, a speaking dog, a canal, a pond standing straight—oh my god). No. The world is a social world, not YOUR world, poet. Power is number one. I will call “Dutch,” or “shitty,” whatever denies this power. That hurts, but this pain is an expression of the desire in the world to write another world, or as Blanchot says, “the other of all worlds” 2 : the world. Not as what “is there,” but rather as that which urges for an escape from what “is.” This is a testament of how radical reality has become, for me—or rather, a writing body—in a having-been-written. I am not interested in the problem of “meaning” as misunderstood by literary scholarsi: “order” in “chaos,” “symbolization.” Bullshit. What is there, hop, hope, now: the meaning of the taste in my mouth. Bullshit. I am not interested in the frustration of interpretation; I am writing for readers who do not want to interpret. I do not know how many “professional readers” will hear the music of a paragraph like: Sun. Sushi. Volvo. I hope more than I would think. There is a suggestion (or rather, an actual production) of speed and infinitive owing to the absence of plosives, i.e. articulations such as /k/, /t/, or /p/. Can you hear the slick suaveness? Driving car dark, vocal chiaroscuro of the word “sushi.” The unstressed /i/ stands in the middle of dark vowels and thus acquires its own special out of focus , like a momentary flash or brilliance—an obscure light. It is not about recognizing a story, but about avoiding any story whatsoever: the car disappears in the glow, cars and raw fish have nothing in common except their articulation in a language that brings them together, blurring them. A world appears in its disappearance. For a moment, light is a metaphor for language, though it cannot be reduced to tenor. It is not necessary to be a linguist or philosopher to hear this—a “difficult” poem all too often becomes an allegory of its own impenetrable being-language. The only demand: leave your hermeneutical fetish at home. This was no interpretation. Most shit has been stolen etcetera. That is no longer interesting. You cannot shoot the body with information and let your lawyers reclaim the bullets. So every sentence has been stolen. Also the ones “out” “of” “my” “head.” Why would I be allowed to steal from myself and not from others? Man takes what he needs to move forward. Whatever he encounters, finds in front of him, “occurs” to him. The writer as text editor, or singing pirate. Nothing new here. Important difference with for example Sybren Polet’s 4 montage technique: anti-thematicism. Most of the time ferocious citation from whatever I was reading, listening to, ended up in, and so on. I wrote chapter 12 on my laptop while watching CNN. On the air instead of en plein air . I often employed search engines to generate material. Chapter 20 offers the purest example of this. Often I stop recognizing a particular citation after some time. It is not uncommon for a stolen sentence to conform itself to the paragraph in which it finds itself. Sometimes I nearly arbitrarily replace words. Arbitrariness as a guarantee for absolute democracy. It is a poetics of the non sequitur : a conclusion that does not follow from the premises, the strange element in the discourse. A discourse of strangers. No logical, narrative, thematic unity. There is unity in speed/flight. It has to be read linearly, but not necessarily (not preferably) from beginning to end. The shortest distance between two points is a straight line, but this line precedes every point. The middle, the acceleration, comes first. A point occurs where two lines cross. It has been written from up close, at the level of the tension between sentences. Nothing to be seen from a distance: no form except the exchange of form, no geometrical or mythical meaning. You have to get in, “groping toward a continuous present, a using everything a beginning again and again” (Stein). 5 In Dutch, experimental poetry has been mainly dense: a small rectangular form filled with a maximum amount of poetic possibility. But at the moment the poem starts to relax, the anecdotical content seems to increase. This is what is called “epic”: long, narrative. I believe that an epic is more than that, in fact something completely different. An epic is “a poem including history,” 6 a long poem tied up with the life of community, that as a whole does not need to be narrative. The American poets of the twentieth century (Pound, Williams, Zukofsky, Oppen, Olson, Silliman) have put the epic back on the map by interpreting the poem itself as a map, and writing it as navigation. They have invented the experimental epic, a genre that has generated little original following in “our” poetry. N30 is the middle part—“always start in the middle”—of a trilogy, the contours of which remain as of yet unclear, although each episode investigates one of the three “ecstasies of time”—past, present, future—concerning society X. N30 concerns itself with the PRESENT: not with the description of actual facts but of the rhythm and the intense depth in which facts appear to us. Where are we? We are camping in the desert. Sometimes we are looking at the stars. As opposed to maximum density and minimal tension (a characteristic of most (post-)experimental lyricism), I have sought a minimal density and maximum tension in this book, considered as a long non-narrative prose poem. On the one hand, the minimal density is obtained by the inherent formlessness of prose, on the other hand by the conscious refusal of any active (formal, non-rhythmic) synthesis: the poem tells nothing, shows nothing, has no theme. I did not seek maximum tension either by loading the quotidian with epiphanic radioactivity (“wonder,” confirmation from above), or by means of the intensity of the linguistic structure. I want an abstract tension, but social in its abstraction, in other words, not neutralized by and subjected to Form. Instead of form (transcendent): composition (immanent). The concept is series. Ideal: every unit is necessary for the efficacy of the others and the whole, their relation is purely linear, i.e. non-hierarchic, non-syllogistic, non-discursive, non-narrative. Sentence related to sentence like paragraph to paragraph and chapter to chapter; the whole means nothing and represents nothing. Inside the sentence: syntax (Chomsky’s tree, a type of parallel circuit), outside: parataxis (coordination, an asyntactic line through language and world). I consider duration—the energy of duration (rhythm)—to be the fundament of a poem, the temporal inclination to delimit a “space.” Being as consistency, its consistency. A spatial part of time is not merely a metaphor for an inevitable trajectory, an inescapable time, something like “our time.” Not merely—because rhythm comes from language and is not projected onto it; the poem derives from the world like a scent and a color and a life from a flower. A series, a sequence: nothing potential, but truly infinite—the movement of an infinitude. The infinite series = everything minus totality. That means that there is no container—no Form, no Self, no Image, no Structure, not even a Fragment—just “the prose of the world.” No representation, but also no staging of the impossibility of representation (the postmodern sublime). These are no fragments, no image of a fragmented world or personality, no cautious incantations around the Void. It does not exist. It is a movement. Buying bread, a flock of birds, a bomb falling—they do not depict or represent anything, not literally, not metaphorically. There is an Idea, which is however nothing more than a rhythm, in the same way that capitalism is nothing more than a pure function. Parataxis: the white space between two sentences stresses, which is nevertheless always there, also between words, even between letters: the out of focus of idle talk, the gutter, the irreducible Mallarméan mist which renders even the seemingly most transparent text legible. The white space suggests a neutral medium for free signification, a substance of language. A non sequitur is an element from a foreign discourse, which stresses the white space as space, and problematizes freedom for supra-sentential signification. I start by withdrawing material, leaving the initiative to the sentences. In general a word presupposes less often a discourse than a sentence. What discourse is presupposed by “dog”? We could think of several, but why would we? It is more probable that, when faced with the naked word, we think of its naked (dictionary) meaning, of its denotative signified. By means of two simple interventions we may also write the word as sentence: Dog. In no way this suggests the discourse from which this sentence originates, but in any case we’re presupposing one. This is shown by questions like: “Whose dog? Who’s a dog? What kind of dog?” Etc. (Sentences are question marks.) A sentence implies/is a microcosm—a subject, a verb, an object, and so on. Even an incomplete or ungrammatical sentence does so. My main fascination while writing this book is the worldly and social aspect of language, an aspect that often becomes invisible, or rather, transparent in narrativity—the stretching of sentences into stories. Narrativity organizes a new discourse and a new world, and places a sometimes all too dispersing relation of transparence in between. The conventional novel is the brothel of being. I do not intend to prohibit brothels, and I have certainly not intended to write an anti-novel (THIS IS A POEM), but I do consider narrativity (in general, in poetry, in the news, in daily life) to be ontologically secondary with regard to an immediate being in the world through sentences, also if the latter have been withdrawn from a narrative or otherwise externally structured discourse (which in that case would therefore be chronologically primary ). Naturally, two or more sentences are always in danger of telling stories or arguing, just like the world is always in danger of becoming an objective representation, facing us, strangers. That is why need to wage war—against representation and against the interface, against interaction. AGAINST THE “READER.” To the extent that a sentence is worldly, writing is a condensed global war, and in so far as there is ultimately only one world and one open continuum of languages, it is a global civil war. Nice subject for an epic. The elaboration of a singular problem—prose as the outside of poetry, the form of the novel as purely prosodic composition scheme—“expresses” the universal problem: capitalism as Idea of the world vs. poetry as language of an (im)possible community. The paragraphs are blocks of rhythmically contracted social material. By choosing the sentence as the basic compositional component, an abstract whole may contain social sounds, without telling a story or showing an image. Composition is subrepresentative —a rhythmic, passive synthesis, or rather: a synthesis of syntheses. I never write large blocks of prose in one sitting, because there is no obvious organizational vector —plot, theme, conscience—outside the inherent qualities of the material itself. Usually I write down one sentence, sometimes two, but rarely more than three. Those sentences are usually placed in the text which I am editing at the time. In fact, there is no original composition, new chapters split off from chapters which became too long during the editing process. (Revision mainly consists of adding and inserting, displacing and dividing; only during the last phase, when the text has gained enough consistency, there may be subtraction to tighten the composition; each chapter requires a season of daily revision). This constant revision, accompanied by a continuous influx of collective background noise (to speak with Van Bastelaere), 7 makes every chapter a block condensed (“historical” and “personal”) time. The block itself is a-personal and a-historic; it is ontologically autonomous. If there is such a thing as a spirit of the times, I do not try to offer an image of it, but rather to cancel something of it by erecting a monument of its own excrement within its own boundaries. Tuning and dis-tuning , “in de taal der neerslachtigen een eigen geluid doen klinken,” 8 in other words, desiring in an Elysian way. In this sense I have intended to be able to write a political poetry. The ultimate political poem is the epic, “the tale of the tribe.” I consider N30 to be a prolegomenon to a future epic (of which it in the end will form a part a structural moment, as introduction-in-the-middle), an extended pile on top of an epic as narrative, a question of the tribe and question of its history. I was burdened by too much satire, too much bullshit. But: satire willy-nilly = the only justifiable satire. Against the abstract universalism of the market (“globalism”): concrete disgust, a positive way of saying “No.” Moreover, disgust is a specifically total attitude, which ultimately concerns the world as a whole. I hate this or that, but I am disgusted by EVERYTHING (when I am disgusted), and so it appears that satire is in fact related to the epic, in so far as it concerns society, the cosmos, history. Maybe it is no coincidence that the Dutch literary canon knows no great poet of disgust; what could be more fearful to us than society, the cosmos, and history? The T-tendency (T from Tollens 9 ) clearly points into the direction of the small, friendly, ironic, melancholic, acquiescent, wondrous, and so on. The anti-political, anti-cosmic, anti-historical. (Why am I so philosophical? To scare away the Dutchies.) And most of all: the “poetical” (the pseudo-mysticism from the backyard). Yes, the N in N30 also stands for the Netherlands (just like 30 indicates the number of chapters). I was not in Seattle, I do not live in Iraq. But is not the whole world bleeding to death on Dutch paving stones? Let’s hope that we mowed away something with this total satire, also “in myself.” The arrogant stupidity that definitely thinks to know the essence of freedom (the free development of esthetic needs inside the void), that cannot take anything serious, only believes in the disciplined bestiality of the individual (“norms and values”) and the mere functioning of a social factory which finds no justification whatsoever outside its functioning (“get to work”)… Who knows. A certain aimed destruction leaves grooves and craters, mapping out a next adventure. Pound’s periplum : sailing while mapping the coasts. Immanent orientation. The terrain changes with the map, history changes with the poem. Maps never merely organize the chaos, transcendent schemes imposed on a formless Ding-an-sich . They organize from within, surfing. But they are most of all routes back into the chaos or forward to paradise (final identity of chaos and paradise; Schlegel: “ Nur diejenige Verworrenheit ist ein Chaos aus der eine Welt entspringen kann ”10). A poem is not only a piece of history, it is also a flight from history. Maps give chaos to the form of reality , open escape routes, break through representations, make us shivery and dazed. Paradise is immanent to a fleeting desire. History is the history of labor—this is Adam’s curse—and the poet works too: For to articulate sweet sounds together Is to work harder than all these, and yet Be thought an idler by the noisy set Of bankers, school masters, and clergymen The martyrs call the world 11 But: the poet works in paradise. The paradox of the artwork, the work that is no work, the piece of history that cannot be reduced to History—this is explained by The Space of Literature , a virtual space, an autonomous rhythm, not outside, but in the midst of the noise, a piece of paradise in hell, a postcard from the vale of tears addressed to paradise, to X. Political poetry means: a poetry that dares to think about itself, about its language and about its world and about the problematic relation between both, which is this relation as problem. A poetry that thinks at all, articulates its problem. It has nothing to do with journalism or morality or debate, let alone the law or the state. It has nothing to do with “criticism” if this means the replacement of incorrect representations by other, more correct representations. It has something to do with ethics in the sense of learning to live. It has something to do with the community and the language of the community (whichever that may be) and the role of the poet regarding the community. It concerns justice without judgement or measure. In the end the just word is just a word , to paraphrase Godard: it is from a future that is unimaginable. It Is no rational engagement, but an aversion against everything that obstructs life, and love for everything what is worthy of having been loved. The world is engaged with me, not the other way round. First Exodus, then Sinai. A desire does not start with an agenda. To answer the question whether I am really so naive as to want to change the world: “We only want the world.” Justice is the world appealing to us to liberate it from all possible chains, from each organization and inequality, to be it, smooth, equal, under a clear sky—a desert and a people in a desert. That moment between Egypt and the Law. It is not a revolution, but the sky above the revolution. Poetry = the science of escape. There is no art that we already know. The weakness of modernistic epic poetry seems to me to be the unwillingness to completely abandon narrative as a structural principle, in favor of a composition “around” or from an event. The China Cantos and Adams Cantos are the low point, and the Pisan Cantos the high point of Pound’s poetry. Two types of research: archival representation of the past vs. ontology of the present (which virtually presupposes the entire history). Presupposing an event means that it is impossible for the poet to stage his own absence, but in no way makes the work personal. An event is the unknown, the new invading into the business as usual, so also the personal. The question heading this research is not: “Who am I?” but “What is happening?” The book is as little illegible as Mondrian’s work is invisible. Form is of interest only to the extent that it empowers liberation. Ron Silliman So no formalism, but what it means to live in this world and to have a future in it. I want something that holds together that’s not smooth. Bruce Andrews The past above, the future below and the present pouring down: the roar, the roar of the present, a speech— William Carlos Williams If my confreres wanted to write a work with all history in its maw, I wished, from the beginning to start all over again, attempting to know nothing but a will to create, and matter at hand. Ronald Johnson NOTES 1) “The easy thing/ that is difficult to make.” Bertold Brecht, Lob des Kommunismus . (All footnotes are the translator’s) 2) Maurice Blanchot, The Space of Literature , trans. Ann Smock. Lincoln/London: University of Nebraska Press (1989), 75. 3) Mettes uses the word “Neerlandicus,” which refers to scholars of Dutch language and literature. 4) Dutch poet. 5) Gertrude Stein. “Composition as Explanation.” A Stein Reader . Ed. Ulla E. Dydo. Evanston, IL: Northwestern University Press (1993), 495-503. 6) Ezra Pound. 7) Flemish poet. 8) “Resounding an original sound in the language of the despondent.” A. Roland Holst, De afspraak . 9) Dutch poet. 10) “Only such a confusion is a chaos which can give rise to a world.” 11) W.B. Yeats, “Adam’s Curse.&rdquo. (shrink)

We observe simple links between equivalence relations, groups, fields and groupoids (and between preorders, semi-groups, rings and categories), which are type-definable in an arbitrary structure, and apply these observations to the particular context of small and simple structures. Recall that a structure is small if it has countably many n-types with no parameters for each natural number n. We show that a θ-type-definable group in a small structure is the conjunction of definable groups, and extend the result to (...) class='Hi'>semi-groups, fields, rings, categories, groupoids and preorders which are θ-type-definable in a small structure. For an A-type-definable group G A (where the set A may be infinite) in a small and simple structure, we deduce that (1) if G A is included in some definable set X such that boundedly many translates of G A cover X, then G A is the conjunction of definable groups. (2) for any finite tuple ḡ in G A , there is a definable group containing ḡ. (shrink)

As is well-known, the Bernays-Schönfinkel-Ramsey class of all prenex ∃*∀* -sentences which are valid in classical first-order logic is decidable. This paper paves the way to an analogous result which the authors deem to hold when the only available predicate symbols are ∈ and =, no constants or function symbols are present, and one moves inside a (rather generic) Set Theory whose axioms yield the well-foundedness of membership and the existence of infinite sets. Here semi-decidability of the satisfiability (...) problem for the BSR class is proved by following a purely semantic approach, the remaining part of the decidability result being postponed to a forthcoming paper. (shrink)