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Voici les éléments 98-117 de 144
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Nosotros, el universo y los principios de la física
(SABER ULA, 2003-07-14) -
On duality in the born-infeld theory
(SABER ULA, 2005-01-06)On duality in the born-infeld theory (Khoudeir, Adel; Parra, Yoan) Abstract The SL(2,R) duality symmetric action for the Born-Infeld theory in terms of two potentials, coupled with non-trivial backgroud fields in ... -
On supersymmetry at high temperature
(SABER ULA, 2005-01-06)On supersymmetry at high temperature (Melfo, Alejandra; Bajc, Borut; Senjanovic, Goran) Abstract While it is possible to find examples of field theories with a spontaneously broken symmetry at high temperature, in ... -
On the collineations of distribution-valued Ricci tensor fields of domain wall spacetimes.
(SABER ULA, 2007-03-27)On the collineations of distribution-valued Ricci tensor fields of domain wall spacetimes. (Pantoja, Nelson y Sanoja, Alberto) Abstract Generalizing the Lie derivative to distribution-valued tensors, we examine the ... -
On the definition of cylindrical symmetry
(SABER ULA, 2008-07-02)On the definition of cylindrical symmetry (Carot, Jaume; Senovilla, José M. M.; Vera, Raül) Abstract The standard definition of cylindrical symmetry in general relativity is reviewed. Taking the view that axial ... -
On the eccentricity behaviour of radiating slowly rotating bodies in general relativity
(SABER ULA, 2006-01-26)On the eccentricity behaviour of radiating slowly rotating bodies (Núñez, Luis; Hernández, Hector; Herrera, Luis; Percoco, Umberto) Abstract We study different models of radiating slowly rotating bodies up to the ... -
On the geometry of warped spacetimes
(SABER ULA, 2008-07-02)On the geometry of warped spacetimes (Carot, Jaume; da Costa, J.) Abstract An invariant characterization of warped spacetimes is given and a classification scheme for them is proposed. Some results on the curvature ... -
On the spontaneous break down of massive gravities in 2+1 dimensions
(SABER ULA, 2005-01-06)On the spontaneous break down of massive gravities in 2+1 dimensions (Khoudeir, Adel; Aragone, Carlos; Pío José, Arias) Abstract We show that locally Lorentz invariant, third order, topological massive gravity can ... -
PP waves and distributional curvature
(SABER ULA, 2007-03-19)PP waves and distributional curvature. (Nelson Pantoja and Freddy Ramírez) Abstract We carry out the distributional analysis of the geometry of a spacetime associated to gravitational waves propagating in a magnetic ... -
Prólogo al libro de Newton
(SABER ULA, 2003-07-16) -
Radiating, slowly rotating bodies in general relativity
(SABER ULA, 2006-01-26)Radiating, slowly rotating bodies in general relativity (Melfo, Alejandra; Núñez, Luis; Patiño, Alberto; Herrera, Luis) Abstract We propose a method to obtain axisymmetric, dynamic solutions to the Einstein equations ... -
La Reconquista de la Biblioteca Digital
(SABER ULA, 2006-01-26)La Reconquista de la Biblioteca Digital (Núñez, Luis) Resumen En el presente ensayo se trata de ilustrar como ha sido el proceso de apropiación de la información científica por parte de las compañías editoras desde ... -
Red bioclimática del estado Mérida: repositorio institucional de datos ambientales
(SABER ULA, 2008-08-29)Red bioclimática del estado Mérida: repositorio institucional de datos ambientales. (Contreras Zambrano, Hilda Yelitza; Méndez, Zulay V.; Torréns Heeren, Rodrigo J. y Núñez, Luis) Resumen Presentamos la experiencia ... -
Reflexiones temporales
(SABER ULA, 2003-07-10)Artículo publicado en el Boletín de la Asociación Matemática Venezolana Vol. VI, N. 1, 1999. -
La relatividad y el tiempo.
(SABER ULA, 2006-08-03) -
Reporte de búsqueda de bibliotecas de funciones gráficas, de alto rendimiento y de dominio público en internet.
(SABER ULA, 2006-01-26)Reporte de búsqueda de bibliotecas de funciones gráficas, de alto rendimiento y de dominio público en internet. (Núñez, Luis; Gutiérrez, Javier; Rangel, Violeta; Medina, Rubén.) Resumen En este reporte se hace una ... -
Reporte de la búsqueda de bibliotecas numéricas de algebra lineal, de alto rendimiento, de dominio público en internet.
(SABER ULA, 2006-01-26)Reporte de la búsqueda de bibliotecas numéricas de algebra lineal, de alto rendimiento, de dominio público en internet. (Núñez, Luis; Catalini, Golfredo; Gutiérrez, Javier.) Resumen Hacemos una descripción de ocho de ... -
Ricci collineations for non-degenerate, diagonal and spherically symmetric ricci tensors
(SABER ULA, 2006-01-26)Ricci collineations for non-degenerate, diagonal and spherically symmetric ricci tensors (Núñez, Luis; Percoco, Umberto; Contreras, Gerardo) Abstract The expression of the vector field generator of a Ricci Collineation ... -
Ricci collineations for type B warped space-times
(SABER ULA, 2006-01-26)Ricci collineations for type B warped space-times (Núñez, Luis; Percoco, Umberto; Carot, J.) Abstract We present the general structure of proper Ricci Collineations (RC) for type B warped space-times. Within this ... -
La ruptura imposible:
(SABER ULA, 2003-07-16)Artículo basado en una conferencia dictada en el marco de la Octava Jornada de Matemáticas, realizada en el Jardín Botánico de la UCV, Caracas, Abril de 1995.