Articulos, Pre-prints (Centro Nacional de Cálculo Científico (CeCalCULA)): Envíos recientes

Mostrando ítems 41-50 de 50

    • Nonlocal equation of state in general relativistic radiating spheres 

      Núñez, Luis; Percoco, Umberto; Hernández G., Héctor (SABER ULA, 2006-01-26)
      Nonlocal equation of state in general relativistic radiating spheres (Núñez, Luis; Hernández, Hector; Percoco, Umberto) Abstract We show that under particular circumstances a general relativistic spherically symmetric ...

    • Nonlocal equation of state in anisotropic static fluid spheres in general relativity 

      Núñez, Luis; Hernández G., Héctor (SABER ULA, 2006-01-26)
      Nonlocal equation of state in anisotropic static fluid spheres in general relativity (Núñez, Luis; Hernández, Hector) Abstract We show that it is possible to obtain credible static anisotropic spherically symmetric ...

    • Variable Eddington Factor and Radiating Slowly Rotating Bodies in General Relativity 

      Núñez, Luis; Aguirre M., Felix; Soldovieri, T. (SABER ULA, 2006-01-26)
      Variable Eddington Factor and Radiating Slowly Rotating Bodies in General Relativity (Núñez, Luis; Aguirre, Felix; Soldovieri, T.) Abstract We present an extension to a previous work to study the collapse of a ...

    • Hydrodynamics in class b warped spacetimes. 

      Núñez, Luis; Carot, Jaume (SABER ULA, 2006-01-26)
      Hydrodynamics in class b warped spacetimes. (Núñez, Luis; Carot, Jeumes.) Abstract We discuss certain general features of type B warped spacetimes which have important consequences on the material content they may ...

    • On the eccentricity behaviour of radiating slowly rotating bodies in general relativity 

      Núñez, Luis; Herrera Cometta, Luis; Percoco, Umberto; Hernández G., Héctor (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 ...

    • Ricci collineations for non-degenerate, diagonal and spherically symmetric ricci tensors 

      Núñez, Luis; Percoco, Umberto; Contreras, Gerardo (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 ...

    • Comment on Ricci Collineations of static spherically symmetric spacetimes 

      Núñez, Luis; Percoco, Umberto; Contreras, Gerardo; Bertolotti, Ricardo; Carot, Jaume (SABER ULA, 2006-01-26)
      Comment on Ricci Collineations of static spherically symmetric spacetimes (Núñez, Luis; Contreras, Gerardo; Percoco, Umberto; Bertolotti, Ricardo; Carot, J.) Abstract We present a counter example to a theorem given ...

    • Towards a bioinformatics network for Latin America and the Caribbean (LACBioNet) 

      Degrave, Wim M.; Núñez, Luis; Vargas, Reynaldo; Alvarez, Fernando; Ramirez, José Luis; Grau, Oscar (SABER ULA, 2005-11-28)
      Towards a bioinformatics network for Latin America and the Caribbean (LACBioNet) (Degrave, Wim M.; Vargas, Reynaldo; Alvarez, Fernando; Collado Vides, Julio; Nuñez, Luis; Ramirez, José Luis and Grau, Oscar) Abstract ...

    • Soluciones conformemente planas con ecuación de estado no local. 

      Núñez, Luis; Muñoz S., A. G. (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 ...

    • Static anisotropic solutions to Einstein equations with a nonlocal equation of state 

      Núñez, Luis; Hernández G., Héctor (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, ...