Navegação Otras dependencias por assunto "Cosmología cuántica"

Itens para a visualização no momento 1-6 of 6

    • 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 ...

    • 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 ...

    • 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 ...

    • Ricci collineations for type B warped space-times 

      Núñez, Luis; Percoco, Umberto; Carot, Jaume (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 ...

    • 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, ...