Listar Centro de Física Fundamental (CFF) por título
Mostrando ítems 111-130 de 144
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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. -
Scalar field cosmologies: a dynamical systems study
(SABER ULA, 2008-07-02)Scalar field cosmologies: a dynamical systems study (Carot, Jaume; Collinge, Magdalena M.) Abstract Inhomogeneous G2 solutions whose material content can be modelled by a scalar field are considered with a view towards ... -
Scalar field spacetimes
(SABER ULA, 2008-07-02)Scalar field spacetimes (Carot, Jaume; Collinge, Magdalena M.) Abstract Scalar field spacetimes are considered with a view towards their applications in cosmology. Some results existing in the literature are reviewed ... -
See-saw and supersymmetry or exact R-parity
(SABER ULA, 2005-01-06)See-saw and supersymmetry or exact R-parity (Melfo, Alejandra; Aulakh, Charanjit S.; Rasin, Andrija; Senjanovic, Goran) Abstract We show how the renormalizable see-saw mechanism in the context of supersymmetry and ... -
Self-dual spin-3 and 4 theories
(SABER ULA, 2005-01-06)Self-dual spin-3 and 4 theories (Khoudeir, Adel; Aragone, Carlos) Abstract We present self-dual spin-3 and 4 actions using relevant dreibein fields. Since these actions start with a Chern-Simons like kinetic term ... -
Self-gravitating domain walls and the thin-wall limit
(SABER ULA, 2005-05-25)Self-gravitating domain walls and the thin-wall limit Guerrero, Rommel, Melfo, Alejandra; Pantoja, Nelson Abstract We analyse the distributional thin wall limit of self gravitating scalar ... -
Self-similar static solutions admitting a 2-space of constant curvature
(SABER ULA, 2008-07-02)Self-similar static solutions admitting a 2-space of constant curvature (Carot, Jaume; Sintes, A. M.) Abstract A recent result by Haggag and Hajj-Boutros is reviewed within the framework of self-similar spacetimes, ... -
SO(10) theory of R-parity and neutrino mass
(SABER ULA, 2005-01-06)SO(10) theory of R-parity and neutrino mass (Melfo, Alejandra; Aulakh, Charanjit S.; Bajc, Borut; Rasin, Andrija; Senjanovic, Goran) Abstract We study the Higgs sector of a SO(10) grand unified theory which predicts ... -
Soluciones conformemente planas con ecuación de estado no local.
(SABER ULA, 2005-07-04)Soluciones conformemente planas con ecuación de estado no local. (Núñez, Luis; Muñoz S., A.G. .) Abstract A non-local equation of state describes the components of the energy-momentum tensor not only as a function of ... -
Some developments on axial symmetry
(SABER ULA, 2008-07-02)Some developments on axial symmetry (Carot, Jaume) Abstract The definition of axial symmetry in general relativity is reviewed, and some results concerning the geometry in a neighbourhood of the axis are derived. ... -
Sound speeds, cracking and stability of self-gravitating anisotropic compact objects.
(SABER ULA, 2007-06-25)Sound speeds, cracking and stability of self-gravitating anisotropic compact objects. Abstract Using the the concept of cracking we explore the influence of density fluctuations and local anisotropy have on the stability ... -
Spin waves at the ferromagnetic-antiferromagnetic interface
(SABER ULA, 2005-06-06)Spin waves at the ferromagnetic-antiferromagnetic interface Pestana, E., Mata, G. J., Pantoja, N. Abstract We investigate the magnon modes in the neighbourhood of the interface between a ... -
Static anisotropic solutions to Einstein equations with a nonlocal equation of state
(SABER ULA, 2005-04-18)Static anisotropic solutions to Einstein equations with a nonlocal equation of state (Núñez, Luis; Hernández, Hector) Abstract We present a general method to obtain static anisotropic spherically symmetric solutions, ... -
Supersymmetry and large-scale left-right symmetry
(SABER ULA, 2005-01-06)Supersymmetry and large-scale left-right symmetry (Melfo, Alejandra; Aulakh, Charanjit S.; Rasin, Andrija; Senjanovic, Goran) Abstract We show that the low energy limit of the minimal supersymmetric Left-Right models ...