We report a scanning tunnelling microscopy investigation of the emission of dislocations around nanoindentations in the form of dislocation arrangements previously called hillocks , consisting of two pairs of Shockley partial dislocations, each encompassing a stacking fault. The spatial arrangement and size distribution of hillocks around the nanoindentation traces are studied. We show that standard dislocation theory for an isotropic continuum can be used to describe the stability of the hillocks, their size and spatial distribution and the broadening of the (...) corresponding extended dislocations near the surface. A model is proposed in which hillocks originate from the split into dislocations partials of primary perfect dislocation loops punched into the crystal by the scanning tunnelling microscope tip. This model implies the operation of a novel dislocation mechanism involving long-range transport of matter across the surface. (shrink)

Traditionally, in Spain bullfighting represents an ancient and well-respected tradition and a combined brand of sport, art and national identity. However, bullfighting has received considerable criticism from various segments of society, with the concomitant rise of the animal rights movement. The paper reports a survey of the Spanish citizens using a face-to-face survey during January 2016 with a total sample of 2522 citizens. The survey asked about degree of liking and approving; culture, art and national identity; socio-economic aspects; emotional perception (...) and animal welfare. The hypothesis proposed that the perception of bullfights may be affected by gender, age, occupation, origin and nationality of the persons surveyed. The hypothesis was confirmed. The majority of citizens surveyed do not like bullfights and great majorities do not attend or watch such events. Two extreme clusters were described: one representing favorable attitude towards bullfighting and other against bullfighting. The proportion of indifferent persons was important. Women and young people showed a more favorable attitude towards animal welfare issues associated with these events. Rural people were more accepting bullfights than urban people. Students were more anti-bullfight than those in other occupations. Additionally, technical economic factors made people favor more bullfights. The growth of claim against bullfights establishes an element of a far more multifaceted phenomenon that animal cruelty per se and support of a new paradigm called social change in countries as Spain. (shrink)

Traditionally, in Spain bullfighting represents an ancient and well-respected tradition and a combined brand of sport, art and national identity. However, bullfighting has received considerable criticism from various segments of society, with the concomitant rise of the animal rights movement. The paper reports a survey of the Spanish citizens using a face-to-face survey during January 2016 with a total sample of 2522 citizens. The survey asked about degree of liking and approving; culture, art and national identity; socio-economic aspects; emotional perception (...) and animal welfare. The hypothesis proposed that the perception of bullfights may be affected by gender, age, occupation, origin and nationality of the persons surveyed. The hypothesis was confirmed. The majority of citizens surveyed do not like bullfights and great majorities do not attend or watch such events. Two extreme clusters were described: one representing favorable attitude towards bullfighting and other against bullfighting. The proportion of indifferent persons was important. Women and young people showed a more favorable attitude towards animal welfare issues associated with these events. Rural people were more accepting bullfights than urban people. Students were more anti-bullfight than those in other occupations. Additionally, technical economic factors made people favor more bullfights. The growth of claim against bullfights establishes an element of a far more multifaceted phenomenon that animal cruelty per se and support of a new paradigm called social change in countries as Spain. (shrink)

In the Cairo Genizah were manuscripts with Gregorian notation and Hebrew script. They also appeared documents that point to author of the scores at Giovanni-Obadiah, a twelfth century Christian monk, born in southern Italy, who converted to Judaism. Until now, the study of this personage has been realized almost exclusively from the Jewish point of view. Nevertheless, like Obadiah synthesizes the traditions Christian and Jewish in its notation when copying Hebrew melodies with Christian notation, also it does in his texts. (...) Obadiah transcribed a Latin appointment of Joel to Hebrew characters. This article pretends to oppose his conversion to Judaism with his ordination as a Christian monk through the prophecy of Joel, which implies an intense dialogue between the two traditions. (shrink)

RESUMENEl trabajo se propone analizar la relación que John Dewey establece entre la experiencia estética y la crítica de arte. Dewey entiende la crítica como estadio mediador entre la expreiencia estética y la propia finalidad ilustrativa de la crítica. Asimismo, esta mediación es analizada como experiencia crítica, desarrollada en el proceso reflexivo y comunicativo del juicio crítico.PALABRAS CLAVEDEWEY-ESTETICA-CRITICA DE ARTEABSTRACTThe paper focuses on the relation John Dewey establishes betwerrn the aesthetic experiencie and art critique. Dewey conceives critique as a mediating (...) stage betweeen the aesthetic experience and the critique's own enlightening finality. This mediation moreover is but a critical experience, deployed within the reflexive and communicative process of judgement. KEYWORDSDEWEY-AESTHETICS-ART CRITIQUE. (shrink)

La obra pretende aunar la reflexión estética y el ejercicio de la crítica de arte a través de la mirada histórica. La primera parte tiene como hilo conductor cuestiones básicas relativas a la estética francesa del XVIII, entre el ámbito del gusto y el contexto de la belleza, entre la calificada como estética de la ratio y la estética de la "delicatesse". La segunda se centra en la teoría del arte, atendiendo a aspectos concretos del hecho artístico, matizados a su (...) vez entre la observación histórica y el pensamiento contemporáneo. (shrink)

Propone develar cómo influye el narcotráfico, las formas de resistencia y reexistencia en la escuela del Norte del Valle del Cauca (Colombia). Desde un enfoque cualitativo se forman textos de las historias de vida y relatos de experiencias construidos en diálogo sobre los temas generadores Escuela y narcotráfico, analizados por medio de matrices de interpretación y su triangulación; autores, actores y maestro participante en una perspectiva hermenéutica pluritópica. En ella participan estudiantes, padres y madres de familia, docentes y otros miembros (...) de la comunidad escolar. En sus conclusiones se destaca: la marca colonial en la economía nacional (glocal); el imperativo impuesto por las precarias condiciones económicas; los altos niveles de corrupción que crean un caldo de cultivo para el surgimiento de grupos delincuenciales; la escuela como posibilidad de formación humana que resiste y reexiste al narcotráfico; las contradicciones a las que son sometidos los jóvenes en el enfoque de atención al problema del consumo y la capacidad de algunos miembros de la comunidad para construir un proyecto de vida que les permite reexistir por fuera de las lógicas del narcotráfico como sujetos históricos. (shrink)

This book argues that nationalist violence in developed countries is the product of unresponsive political elites and nationalists blocked from attracting supporters through legal channels. Political elites are prone to ignoring a regional polity when their clout in that region is negligible and they do not rely on the region's support to maintain their positions of power. Conversely, when nationalists cannot make inroads through legal channels, incentives for violence are ripe. Thus, when nationalists in postwar Europe found elites unresponsive, it (...) was state repression that helped radicals build a new group of support around militant action. The larger this new constituency legitimizing violence grew, the longer the conflict lasted. The book elucidates this complex dynamic through a deft combination of theoretical modeling, statistical methods and comparative case studies from the Basque Country, Catalonia, Corsica, Northern Ireland, Sardinia and Wales. (shrink)

In identifying intrinsic molecular chance and extrinsic adaptive pressures as the only causally relevant factors in the process of evolution, the theoretical perspective of the Modern Synthesis had a major impact on the perceived tenability of an ontology of dispositional properties. However, since the late 1970s, an increasing number of evolutionary biologists have challenged the descriptive and explanatory adequacy of this “chance alone, extrinsic only” understanding of evolutionary change. Because morphological studies of homology, convergence, and teratology have revealed a space (...) of possible forms and phylogenetic trajectories that is considerably more restricted than expected, evo-devo has focused on the causal contribution of intrinsic developmental processes to the course of evolution. Evo-devo’s investigation into the developmental structure of the modality of morphology – including both the possibility and impossibility of organismal form – has led to the utilisation of a number of dispositional concepts that emphasise the tendency of the evolutionary process to change along certain routes. In this sense, and in contrast to the perspective of the Modern Synthesis, evo-devo can be described as a “science of dispositions.” This chapter discusses the recent philosophical literature on dispositional properties in evo-devo, exploring debates about both the metaphysical and epistemological aspects of the central dispositional concepts utilised in contemporary evo-devo and addressing the epistemological question of how dispositional properties challenge existing explanatory models in evolutionary biology. (shrink)

There is no consensus in the literature about the nature of terrorism. The authors’ main claim is that this is ultimately the result of the coexistence of two senses of the term, the action and the actor sense, which are not fully congruent. Rather than trying to advocate a specific conceptualization, the authors provide in this article a map of the different ways in which scholars talk about terrorism. They identify first the set of terrorist actions and the set of (...) terrorist actors. Terrorist tactics are a variety of the power to hurt, based on the lack of military power. Terrorist groups are underground ones with no territorial control. When the two criteria meet, the core of terrorism exists: coercive violence perpetrated by underground groups. The ambiguity that surrounds terrorism is caused by two other possibilities: actors with some measure of territorial control adopting coercive tactics and underground actors adopting military tactics. Although it is not possible to remove this ambiguity in empirical research, scholars can at least identify it and analyze it. The authors illustrate the two senses of terrorism and their interaction by using the most comprehensive dataset on terrorist incidents, the Global Terrorism Database. (shrink)

SummaryLooking at proof theory as an attempt to ‘code’ the general pattern of the logical steps of a mathematical proof, the question of what kind of rules can make the meaning of a logical connective completely explicit does not seem to have been answered satisfactorily. The lambda calculus seems to have been more coherent simply because the use of ‘λ’ together with its projection 'apply' is specified by what can be called a 'reduction' rule: β‐conversion. We attempt to analyse the (...) role of proof rules, making use of a set of formal rules designed to capture both the notions of proof theory and those of the lambda‐calculus: Martin‐Löf's Intuitionistic Type Theory.RésuméSi on considère la théorie de la démonstration comme une tentative de ‘codifier’ les pas logiques d'une démonstration mathématique, on se rendra compte qu'on n'a pas répondu de façon satisfaisante à la question suivante: quelles sont les règies qui rendent complètement explicite le sens d'un connecteur logique? Le lambda‐calcul a été apparemment plus cohérent, tout simplement parce que l'utilisation du‘λ’ avec sa projection 'apply' est spécifiée par une regie de 'réduction': β‐conversion. Nous essayons d'analyser le rôle des règies de démonstration, en utilisant un système formel de règies conçu pour englober à la fois les notions de la théorie de la démonstration et celles du lambda‐calcul: la Théorie Intuitionniste des Types de Martin‐Löf.ZusammenfassungWenn man Beweistheorie als einen Versuch, ein allgemeines Muster der logischen Schritte in einem mathematischen Beweis zu kodifizieren, betrachtet, so scheint die Frage nach der Art von Regeln , die die Bedeutung von logischen Operatoren vollständig beschreiben, nicht zufriedenstellend beantwortet. Der Lambda‐Kalkül erscheint, kohärenter, einfach deshalb weil der Gebrauch von ‘λ’ zusammen mit dessen Projektion 'apply' durch Regeln bestimmt wird, die man 'Reduktions'‐Regeln nennen kann: β‐Konversion. Wir versuchen, die Rolle von Beweisregeln zu analysieren, indem wir ein Regelsystem verwenden, das sowohl die Begriffe der Beweistheorie als auch diejenigen des Lambda‐Kalküls erfasst, nämlich die Martin‐Löfsche Typentheorie. (shrink)

In this paper we present a paradigmatic example of the use in knowledge management of techniques from other fields, namely mathematical analysis. We also highlight that the Jacobi method presented here takes precedence over the better known Hungarian method. Finally, we signify that the Jacobi method represents the first known or recognized case of serendipity in both knowledge management and operational research. This paper thus demonstrates the intersection between knowledge management, mathematical analysis and operational research and how taking historical perspectives (...) are important for recognising future applications of knowledge management. This results in a better understanding of knowledge management and how it can be applied in the future. It has been shown how knowledge management relates to historical mathematical principles. (shrink)

The numerical study of a glycolytic model formed by a system of three delay differential equations reveals a multiplicity of stable coexisting states: birhythmicity, trirhythmicity, hard excitation and quasiperiodic with chaotic regimes. For different initial functions in the phase space one may observe the coexistence of two different quasiperiodic motions, the existence of a stable steady state with a stable torus, and the existence of a strange attractor with different stable regimes (chaos with torus, chaos with bursting motion, and chaos (...) with different periodic regimes). For a single range of the control parameter values our system may exhibit different bifurcation diagrams: in one case a Feigenbaum route to chaos coexists with a finite number of successive periodic bifurcations, in other conditions it is possible to observe the coexistence of two quasiperiodicity routes to chaos. These studies were obtained both at constant input flux and under forcing conditions. (shrink)

Background During the first weeks of March 2020 in Spain, the cases of severe respiratory failure progressively increased, generating an imbalance between the clinical needs for advanced life support (ALS) measures and the effective availability of ALS resources. To address this problem, the creation of triage committees (TC) was proposed, whose main function is to select the best candidates to receive ALS. The main objective of our study is to describe the clinical characteristics of the patients evaluated by the TC (...) of the Alcorcón Foundation University Hospital (AFUH) during the first wave of SARS CoV-2. Other objectives are to determine if there are differences between the patients considered candidates / not candidates for ALS and to analyze the functioning of the TC. Methods Retrospective observational study of all patients assessed by the AFUH TC. Results There were 19 meetings, in which 181 patients were evaluated, 65.4% male and with a mean age of 70.1 years. 31% had some degree of functional dependence, the Barthel median was 100 and Charlson 4. 58.5% were not considered a candidate for ALS at that time. The patients considered candidates to receive ALS were younger (72 vs 66; _p_ Conclusions The patients evaluated by the TC had a mean age of 70 years, high comorbidity and almost a third had some degree of functional dependence. More than half were not considered candidates for ALS at that time, these patients being older, with more comorbidity and a worse previous functional situation. TC decisions, based on objective clinical criteria, were almost always respected. Public institutions must get involved in triage procedures, which should and in our opinion must include the creation of TC in health centers. The implementation of Anticipated Decision programs (ADP) would help enable patients affected by triage decisions to participate in them. (shrink)

Educational accompaniment, an expanded view from personalist anthropology In today's educational landscape, the digital transformation is a methodological, pedagogical and, undoubtedly, relational challenge. In this environment, there are proposals that advocate accompaniment as a means of facing this challenge. Moreover, we could say that accompanying is fashionable, with the risk that this implies of limiting and even sweetening its true meaning and scope. To avoid this, we propose to look at the nature of the human being and rediscover what he (...) really needs in his process of personal growth. This article presents an analysis of educational accompaniment, revealing its internal dynamism, making explicit the essential conditions that make it possible and proposing some pedagogical applications that shed light on the mission of accompaniment. From this personalist and profound point of view, accompaniment is proposed as a response to the anthropological need of being human and is configured as a path of encounters oriented towards the fullness of the person. (shrink)

The paper proposes a financial model suitable for ensuring the economic, financial and social sustainability of this basic protection. We have calculated the estimated cost for the Spanish population in 2010 and have estimated the cost for the following 12 years (three legislatures) under a range of demographic and economic assumptions. The results are then analysed to draw conclusions about the viability and sustainability of this basic social protection floor. A remarkable finding is that it is feasible to obtain greater (...) coverage, but by requiring contributions of the State or other financial resources. (shrink)