633 research outputs found
"Expandir la democracia en el lugar de trabajo". Relaciones entre ONGs, cooperativas y organismos estatales
No full textFil: Litman, Leila. Facultad de Filosofía y Letras, UBA
Ray Frank Litman (1861-1848) papers, undated, 1879-1957.
No full textThis collection consists of papers of Ray (Rachel) Frank, the first Jewish woman to preach formally from a pulpit in the United States. It contains correspondence relating to her personal life and activities as an author and lecturer, programs, and printed and manuscript copies of sermons, speeches, and writings by Frank. There is also a scrapbook (1879-1901) of newspaper clippings of articles by and about Frank, reflecting her view on women's suffrage, Judaism, and other topics.Published citations should take the following form: Identification of item, date (if known); Ray Frank Litman (1861-1948) Papers; P-46; box number; folder number; American Jewish Historical Society, New York, NY, and Boston, MA.Parts of the collection were donated by Stephanie Simon,Ms. Stephanie Simon2006032
Producir desde la incomodidad. Una economía moral del trabajo autogestionado
No full textResumen temporalmente no disponible. La presente obra no cuenta con resumen provisto por el autor.Fil: Litman, Leila Carla. Universidad de Buenos Aires. Facultas de Filosofía y Letra
Dissipative Tunneling Rates through the Incorporation of First-Principles Electronic Friction in Instanton Rate Theory II: Benchmarks and Applications
No full textIn Paper I [Litman et al., J. Chem. Phys. (in press) (2022)], we presented the ring-polymer instanton with explicit friction (RPI-EF) method and showed how it can be connected to the ab initio electronic friction formalism. This framework allows for the calculation of tunneling reaction rates that incorporate the quantum nature of the nuclei and certain types of non-adiabatic effects (NAEs) present in metals. In this paper, we analyze the performance of RPI-EF on model potentials and apply it to realistic systems. For a 1D double-well model, we benchmark the method against numerically exact results obtained from multi-layer multi-configuration time-dependent Hartree calculations. We demonstrate that RPI-EF is accurate for medium and high friction strengths and less accurate for extremely low friction values. We also show quantitatively how the inclusion of NAEs lowers the crossover temperature into the deep tunneling regime, reduces the tunneling rates, and, in certain regimes, steers the quantum dynamics by modifying the tunneling pathways. As a showcase of the efficiency of this method, we present a study of hydrogen and deuterium hopping between neighboring interstitial sites in selected bulk metals. The results show that multidimensional vibrational coupling and nuclear quantum effects have a larger impact than NAEs on the tunneling rates of diffusion in metals. Together with Paper I [Litman et al., J. Chem. Phys. (in press) (2022)], these results advance the calculations of dissipative tunneling rates from first principles
Producir desde la incomodidad. Una economía moral del trabajo autogestionado
No full textResumen temporalmente no disponible. La presente obra no cuenta con resumen provisto por el autor.Fil: Litman, Leila Carla. Universidad de Buenos Aires. Facultas de Filosofía y Letra
Before and After the Copyright Wars
No full textJessica Litman, the John F. Nickoll Professor of Law at the University of Michigan, delivered the 2018 David L. Lange Lecture in Intellectual Property, Before and After the Copyright Wars. Prof. Litman is the author of Digital Copyright, which traces the history of lobbying that led to the passage in 1998 of the Digital Millennium Copyright Act. She is also the co-author, with Jane Ginsburg and Mary Lou Kevlin, of the casebook Trademarks and Unfair Competition Law: Cases and Materials. Before rejoining the Michigan faculty in 2006, she was a professor of law at Wayne State University in Detroit, a visiting professor at New York University School of Law and at American University Washington College of Law, as well as a professor at Michigan Law from 1984 to 1990
Dar, receber, esperar e devolver : Um olhar etnográfico sobre os vínculos entre as ONGs e as cooperativas de trabalho
No full textFil: Litman, Leila Carla. Universidad de Buenos Aires. Facultad de Filosofía y Letras. Instituto de Ciencias Antropológicas; Argentina.Fil: Litman, Leila Carla. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina.Este artículo analiza el modo en que una Organización No Gubernamental (ONG) de la Ciudad de Buenos Aires gestiona préstamos destinados a cooperativas de trabajo, en el marco del Programa Nacional de Microcrédito. Apartando la atención de la pregunta por el impacto o alcance de estos programas, se propone explorar desde un enfoque etnográfico las prácticas cotidianas de quienes participan en la entrega y devolución de los préstamos. Recuperando una línea de estudios en antropología que retoma la obra de Marcel Mauss se busca desplazar el foco del intercambio para atender al proceso de producción de vínculos y obligaciones sociales. Considerando el tiempo como constitutivo del don se plantea que el intervalo en que la deuda de la cooperativa se sostiene constituye un espacio activo de espera en el que esta ONG crea y recrea la obligación de las cooperativas de devolver el dinero y reproduce su propia continuidad como organización.This article discusses the way in which a Non Governmental Organization (NGO) in the City of Buenos Aires manages loans for worker cooperatives, within the framework of the National Microcredit program. Shifting attention away from the question about the impact or scope of these programs, the article seeks to explore the everyday practices of those involved in the delivery and return of loans from an ethnographic approach. Recovering a line of studies in anthropology that draws from the work of Marcel Mauss, it seeks to focus not on exchange but rather on the production process of social bonds and obligations. Considering time as constitutive of the gift, it claims that the interval in which the cooperative’s debt is held constitutes an active waiting area where this NGO creates and recreates cooperatives’ obligation to return the money while reproducing its own continuity as an organization.Este artigo analisa a maneira na qual uma Organização Não Governamental (ONG) localizada na Cidade de Buenos Aires gere os empréstimos destinados às cooperativas de trabalho no marco do Programa Nacional de Microcrédito. Retirando-se o foco da questão do impacto ou o alcance destes programas, propõe-se explorar desde um enfoque etnográfico as práticas cotidianas dos que participam da entrega e da devolução destes empréstimos. Para tanto, recupera-se a linha de estudos antropológicos propostos por Marcel Mauss, retirando-se o foco da troca para dar atenção ao processo de produção de vínculos e de obrigações sociais. Considerando-se o tempo como constitutivo do dom, argumenta-se que o intervalo em que a dívida da cooperativa se sustenta constitui um espaço ativo de espera em que a ONG cria e recria a obrigatoriedade da cooperativa de devolver o dinheiro, produzindo sua própria continuidade como organização
Temperature dependence of the vibrational spectrum of porphycene: a qualitative failure of classical-nuclei molecular dynamics
No full textThe temperature dependence of vibrational spectra can provide information about structural changes of a system and also serve as a probe to identify different vibrational mode couplings. Fully anharmonic temperature-dependent calculations of these quantities are challenging due to the cost associated with statistically converging trajectory-based methods, especially when accounting for nuclear quantum effects. Here, we train a high-dimensional neural network potential energy surface for the porphycene molecule based on data generated with DFT-B3LYP, including pairwise van der Waals interactions. In addition, we fit a kernel ridge regression model for the molecular dipole moment surface. The combination of this machinery with thermostatted path integral molecular dynamics (TRPMD) allows us to obtain well-converged, full-dimensional, fully-anharmonic vibrational spectra including nuclear quantum effects, without sacrificing the first-principles quality of the potential-energy surface or the dipole surface. Within this framework, we investigate the temperature and isotopologue dependence of the high-frequency vibrational fingerprints of porphycene. While classical-nuclei dynamics predicts a red shift of the vibrations encompassing the NH and CH stretches, TRPMD predicts a strong blue shift in the NH-stretch region and a smaller one in the CH-stretch region. We explain this behavior by analyzing the modulation of the effective potential with temperature, which arises from vibrational coupling between quasi-classical thermally activated modes and high-frequency quantized modes
Dar, receber, esperar e devolver : Um olhar etnográfico sobre os vínculos entre as ONGs e as cooperativas de trabalho
No full textFil: Litman, Leila Carla. Universidad de Buenos Aires. Facultad de Filosofía y Letras. Instituto de Ciencias Antropológicas; Argentina.Fil: Litman, Leila Carla. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina.Este artículo analiza el modo en que una Organización No Gubernamental (ONG) de la Ciudad de Buenos Aires gestiona préstamos destinados a cooperativas de trabajo, en el marco del Programa Nacional de Microcrédito. Apartando la atención de la pregunta por el impacto o alcance de estos programas, se propone explorar desde un enfoque etnográfico las prácticas cotidianas de quienes participan en la entrega y devolución de los préstamos. Recuperando una línea de estudios en antropología que retoma la obra de Marcel Mauss se busca desplazar el foco del intercambio para atender al proceso de producción de vínculos y obligaciones sociales. Considerando el tiempo como constitutivo del don se plantea que el intervalo en que la deuda de la cooperativa se sostiene constituye un espacio activo de espera en el que esta ONG crea y recrea la obligación de las cooperativas de devolver el dinero y reproduce su propia continuidad como organización.This article discusses the way in which a Non Governmental Organization (NGO) in the City of Buenos Aires manages loans for worker cooperatives, within the framework of the National Microcredit program. Shifting attention away from the question about the impact or scope of these programs, the article seeks to explore the everyday practices of those involved in the delivery and return of loans from an ethnographic approach. Recovering a line of studies in anthropology that draws from the work of Marcel Mauss, it seeks to focus not on exchange but rather on the production process of social bonds and obligations. Considering time as constitutive of the gift, it claims that the interval in which the cooperative’s debt is held constitutes an active waiting area where this NGO creates and recreates cooperatives’ obligation to return the money while reproducing its own continuity as an organization.Este artigo analisa a maneira na qual uma Organização Não Governamental (ONG) localizada na Cidade de Buenos Aires gere os empréstimos destinados às cooperativas de trabalho no marco do Programa Nacional de Microcrédito. Retirando-se o foco da questão do impacto ou o alcance destes programas, propõe-se explorar desde um enfoque etnográfico as práticas cotidianas dos que participam da entrega e da devolução destes empréstimos. Para tanto, recupera-se a linha de estudos antropológicos propostos por Marcel Mauss, retirando-se o foco da troca para dar atenção ao processo de produção de vínculos e de obrigações sociais. Considerando-se o tempo como constitutivo do dom, argumenta-se que o intervalo em que a dívida da cooperativa se sustenta constitui um espaço ativo de espera em que a ONG cria e recria a obrigatoriedade da cooperativa de devolver o dinheiro, produzindo sua própria continuidade como organização
La gestión cotidiana de préstamos de una ONG: Apuntes etnográficos para el análisis de las políticas públicas
No full textEste artículo reconstruye desde un enfoque etnográfico la gestión cotidiana de préstamos que lleva adelante una ONG en el marco de implementación de la política pública de microcrédito en Argentina. Recuperando el potencial de la antropología para el estudio de las políticas públicas se analiza el modo en que en el trabajo de los integrantes de esta organización se ponen en juego y en tensión los requisitos que establece el Programa Nacional de Microcrédito. En este sentido se plantea que en el marco de procesos de hegemonía, esta ONG reescribe el programa estatal desde la gestión cotidiana de préstamos y a partir de su objetivo de apoyar a las cooperativas.This article reconstructs from an ethnographic approach the daily management of loans by an NGO whitin the framework of the implementation of microcredit policy in Argentina. Retrieving the potential of anthropology for the study of policy we analyze the ways in which in the daily work of the members of this organization the requirements of the National Microcredit Program are brought into play and strained. In this sense we propose that in the context of processes of hegemony, this NGO rewrittes the microcredit program through the daily management of loans and from its objective of supporting the cooperatives.Fil: Litman, Leila Carla. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad de Buenos Aires. Facultad de Filosofía y Letras. Instituto de Ciencias Antropológicas; Argentin
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