1,952 research outputs found

    Cohn, David E.

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    Dave Tomas : Behind the Eye Lies the Hand of William Henry Fox Talbot / Videoseries 86/87 : Videotape by Norman Cohn

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    In a revised text, Tomas relates the influences on his work of questions raised by figures of the Industrial Revolution. Cohn offers a brief introduction to his 1986 video "Quartet for a Deafblind". Biographical notes. 14 bibl. ref

    Cohn, Alfred E.

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    Alfred E. Cohn, circa 1920s Courtesy of the Rockefeller Archive Center Alfred Einstein Cohn (1879 - 1957) - physician, humanist, and author. One of the first physicians in the United States to make electrocardiograms (Mount Sinai Hospital, New York City, 1910). Clinical researcher at The Rockefeller Institute for Medical Research, New York City, 1911-1957.https://digitalcommons.rockefeller.edu/faculty-members/1017/thumbnail.jp

    Representations of relative Cohn path algebras

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    Política de acceso abierto tomada de: https://v2.sherpa.ac.uk/id/publication/11436We study relative Cohn path algebras, also known as Leavitt-Cohn path algebras, and we realize them as partial skew group rings. To do this we prove uniqueness theorems for relative Cohn path algebras. Furthermore, given any graph E we define E-relative branching systems and prove how they induce representations of the associated relative Cohn path algebra. We give necessary and sufficient conditions for faithfulness of the representations associated to E-relative branching systems. This improves previous results known to Leavitt path algebras of row-finite graphs with no sinks. To prove this last result we show first a version, for relative Cohn-path algebras, of the reduction theorem for Leavitt path algebras.The  first author was partially supported by the Spanish MEC and Fondos FEDER through project MTM2016-76327-C3-1-P; and by the Junta de Andalucía and Fondos FEDER, jointly, through project FQM-7156. The second author was partially supported by Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq) - Brazil

    Letter from H.K Lewis & Co. LTD to Dr. Alfred E. Cohn

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    Letter from H.K Lewis & Co. LTD to Dr. Alfred E. Cohn, 1934 Alfred E. Cohn (1879-1957), physician, humanist, author, and bibliophile, was one of the first cardiologists in the United States. He was born in New York City and received an MD from the College of Physicians and Surgeons at Columbia University in 1904. Between 1907 and 1909 he studied in Freiburg, Vienna, and London. When he returned to the United States, Dr. Cohn joined the staff of Mount Sinai Hospital in New York. In 1911, he moved to the Rockefeller Hospital, bringing his electrocardiograph with him. He remained at Rockefeller for the rest of his career, retiring in 1944. Dr. Cohn took a leading role in organizations such as the New York Heart Association, New York Academy of Medicine, Veterans Administration, China Medical Board, Asia Institute, Sydenham Hospital, and the Committee for Displaced Foreign Scholars and Displaced Foreign Physicians.https://digitalcommons.rockefeller.edu/objects-tell-stories/1010/thumbnail.jp

    Amélia Cohn\'s thought about the Brazilian sanitary reform

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    A Reforma Sanitária Brasileira (RSB) tem sido bastante estudada pelo campo científico da Saúde Coletiva. Recentemente, novos estudos retomam sua trajetória e, assim, têm estimulado discussões sobre seu futuro. Este trabalho buscou valorizar este tema e o pensamento de uma de suas pesquisadoras e personagens, a socióloga Amélia Cohn. Devido à relevância de suas contribuições teóricas e a inexistência de trabalhos sobre esta autora, o objetivo desta dissertação foi compreender o pensamento de Amélia Cohn sobre a Reforma Sanitária Brasileira, a partir de um conjunto de seus textos, publicados ao longo de 24 anos. Para tanto, elaboraram-se as seguintes temáticas para análise dos quatro textos principais: a \"definição\" construída por Amélia Cohn sobre a RSB, o protagonismo político no interior do movimento da RSB, as características das estratégias políticas do movimento da RSB, os objetivos da RSB e o alcance de suas propostas, a produção de conhecimentos do campo da RSB, e a questão democrática para o campo da RSB. Concluiu-se que a autora buscou analisar esse tema de modo amplo, avaliando diferentes aspectos e priorizando em sua avaliação sobre os rumos da RSB a relação concomitante entre a produção de conhecimentos do campo e suas propostas e ações políticas. Além disso, ela considerou a RSB das décadas de 1960, 1970 e 1980, como a experiência de referência para suas reflexões. Dessa forma, elaborou em 1992 sua tese principal sobre o esgotamento da reforma sanitária e, em 2013, a tese sobre a renúncia do campo a um projeto de saúde para o país. Portanto, entende-se que Amélia Cohn buscou identificar pluralidade teórico-política no movimento e no pensamento da RSB, incluindo-se o campo da Saúde Coletiva, e propôs a autoconfrontação dos projetos do campo em suas análises.The Brazilian Sanitary Reform (BSR) is a common object of research within the Public Health scientific field. Long-lasting questions about its path have been discussed in recent studies, opening doors to think about its future. This study highlights this theme by reflecting on the sociologist Amélia Cohn\'s theoretical contributions upon the BSR. Due to the relevance of her theoretical contributions and the absence of studies about her scholarly works, this dissertation seeks to understand Amélia Cohn\'s thought about the BSR through published works over a 24-year-period. In order to do so, the following themes guide through the analysis of four main readings: Amelia Cohn\'s \'definition\' of the BSR, the political role within the BSR, the characteristics of the political strategies of the RSB movement, the goals of the BSR and the extent of its propositions, the production of knowledge from the BSR field, and the understanding of the democratic question to the BSR field. The author sought to analyze the BSF in a broad spectrum by evaluating its diverse aspects and prioritizing the concomitant relationship between the production of knowledge of the field and its proposals and political actions in order to evaluate the BSR\'s paths. Furthermore, she considered the 60\'s, 70\'s and 80\'s as time reference for her reflections on the development of the BSR. Accordingly, in 1992 she developed her main thesis on the collapse of sanitary reform, and, in 2013, theorized about the resignation of the BSR to a health project for the country. Therefore, Amélia Cohn sought to identify theoretical and political plurality in the movement and thought of the BSR, which includes the field of Public Health. The author has clearly proposed the confrontation between the projects carried out by the field in her analytical frameworks

    Cult: A Composite Novel

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    Cult (redacted) The first component of the thesis is a composite novel called Cult which falls into two parts with seven narratives in each. Part 1 tracks the protagonist, Ellen, from her first involvement with the cult through to her eventually leaving it. Although fiction, the first half of the book answers the kinds of questions the author is asked when people discover that she was once a sannyasin (a follower of the guru Bhagwan Shree Rajneesh). While the experiences of meditation, group therapy and communal living are all faithfully rendered within the stories, the need for strong characters, narrative drive and a lightness of touch takes precedence. Part 2 picks up Ellen’s story some twenty or so years later and explores what becomes of her in middle age. It also looks at other groups in society, such as academia, the law and the internet dating community which each have their own jargon, hierarchies, rituals and rules but are not considered to be cults. The book examines the question raised in the Epigraph, ‘how do we be together when we feel so alone’ with a focus on relationships other than the familial and the romantic. Collisions, Chasms and Connections: a Performative Exploration of the Composite Novel Form The second part of the thesis is both a critical and creative response to three contemporary American books: Olive Kitteridge by Elizabeth Strout; A Visit from the Goon Squad by Jennifer Egan; and Legend of a Suicide by David Vann. The critical element comprises a close reading of the three books; a chronological reconstruction of their overarching storylines; and a consideration of what their authors have said about writing the books. It concludes that, in the composite novel, the simultaneous presentation of multiple views and storylines operate much like a 3D image to give the impression of depth to the characters and situations rendered. The creative element of the essay is a playful and personal response to the texts

    Indiferencia estructural y democracia señorial: la teoría crítica de Gabriel Cohn

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    This article discusses the critical theory developed by Brazilian sociologist Gabriel Cohn in the last two decades, based on his concepts of structural indifference and seigneurial democracy. Structural indifference signifies selective operations carried out by complex systems that define what or who is or is not relevant in contemporary capitalism at a global scale. Seigneurial democracy, in turn, refers to the possessive, predatory and punitive nature of orientations of perception and behavior in Brazilian society. This article reconstructs these two notions using different texts by the author. In so doing, it also seeks to highlight the dialogues established by Cohn with the first generation of Frankfurt critical theory – particularly with Theodor Adorno – as well as with Florestan Fernandes, the founder of Brazilian critical sociology. Cross-cutting these two sets of discussions, still in dialogue with Adorno and Fernandes, Cohn proposes an approach for how to assess the past in critical sociology.El artículo discute la teoría crítica desarrollada por el sociólogo brasileño Gabriel Cohn en las últimas dos décadas a partir de sus planteamientos sobre indiferencia estructural y democracia señorial. Indiferencia estructural designa operaciones selectivas realizadas por sistemas complejos que definen qué o quién es relevante o no en el capitalismo contemporáneo en escala global. Democracia señorial, por su parte, se refiere al carácter posesivo, predatorio y punitivo de las orientaciones de la percepción y de la conducta en la sociedad brasileña. El artículo reconstruye estas dos nociones echando mano de distintos textos del autor. Al hacerlo, busca igualmente evidenciar los diálogos entablados por Cohn, de un lado, con la primera generación de la teoría crítica frankfurtiana, particularmente con Theodor Adorno, y, de otro, con Florestan Fernandes, precursor de la sociología crítica brasileña. Trasversalmente a estos dos conjuntos de discusiones, y todavía en diálogo con Adorno y Fernandes, Cohn propone un abordaje respecto a cómo tratar el pasado en la sociología crítica

    Cohn Path Algebras have Invariant Basis Number

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    Kanuni, Muge/0000-0001-7436-039XWOS: 000363286700026For any finite directed graph E and any field K, we show that the Cohn path algebra C-K(E) has the Invariant Basis Number property, and the Invariant Matrix Number property.Simons Foundation [208941]; U.S. Department of State; Scientific and Technological Research Council of Turkey (TUBITAK-BIDEB)Turkiye Bilimsel ve Teknolojik Arastirma Kurumu (TUBITAK) [2219]The first author is partially supported by a Simons Foundation Collaboration Grants for Mathematicians Award #208941. The second author is supported by a U.S. Department of State 2012-2013 Fulbright Visiting Scholar Program Grant and by the Scientific and Technological Research Council of Turkey (TUBITAK-BIDEB) 2219 International Post-Doctoral Research Fellowship during her sabbatical visit to the University of Colorado at Colorado Springs

    Writing and the rights of reality: usurpation and potentiality in Derrida, Plato, Nietzsche, and Beckett

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    The thesis critically evaluates Jacques Derrida's conferral of the rights of reality on writing, focussing on his theory of an arche-text in light of the speculative nature of this theory. The theory is initially considered in the context of Derrida's elucidation of the usurpatory status of writing within the Platonic and Nietzschean texts. This consideration reveals an admission of writing's usurpatory status by both writers while at the same time demonstrating their awareness of the intrinsically speculative nature of this view, the significance of writing lying in its ability to exteriorise the radically indeterminate status of consciousness m relation to reality rather than its ability to displace consciousness or reality The analyses, therefore, not only bring the Derridean hypothesis of a repressive or phonocentric metaphysical episteme into question but also exhibit the historical and philosophical role of potentiality in relation to writing, writing's ultimate significance lying in its capacity to exteriorise our existence as a mode of potentiality. Accordingly, in the second half of the thesis the Derridean theory of writing is countered with a specifically Aristotelian theory of the text as it is exhibited in the prose of Samuel Beckett, an author whose significance lies in his close alignment with Derridean theory within contemporary criticism. It is demonstrated that this identification has obviated an awareness of the significance of potentiality within the Beckettian text, his work consequently being appraised in the previously neglected context of Aristotelian metaphysics
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