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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 ...
Comment on Ricci Collineations of static spherically symmetric spacetimes
(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 ...
Modeling "hydrodynamic phase transitions" in a radiating spherically symmetric distribution of matter
(SABER ULA, 2005-12-08)
Modeling "hydrodynamic phase transitions" in a radiating spherically symmetric distribution of matter
(Herrera, L.; Núñez, Luis)
Abstract
A method recently proposed by the authors to study the evolution of discontinuities ...
Propagation of a shock wave in a radiating spherically symmetric distribution of matter
(SABER ULA, 2005-12-08)
Propagation of a shock wave in a radiating spherically symmetric distribution of matter
(Herrera, L.; Núñez, Luis)
Abstract
A method used to study the evolution of radiating spheres reported by L. Herrera, J. Jimenez, ...
Luminosity profiles and the evolution of shock waves in general-relativistic radiating spheres
(SABER ULA, 2005-12-08)
Luminosity profiles and the evolution of shock waves in general-relativistic radiating spheres
(Herrera, L.; Núñez, Luis)
Abstract
A method recently proposed by the authors to study the evolution of discontinuities ...
Supernovae: Where and why do they break off?
(SABER ULA, 2005-12-08)
Supernovae: Where and why do they break off?
(Herrera, L.; Núñez, Luis)
Abstract
The precise mechanism whereby gravitational collapse leads to a type II supernova event is one of the most controversial points in the ...
The evolution of discontinuities in radiating spheres in the diffusion approximation
(SABER ULA, 2005-12-08)
The evolution of discontinuities in radiating spheres in the diffusion approximation
(Barreto Acevedo, Willians; Herrera, L.; Núñez, Luis)
Abstract
The evolution of discontinuities in a general relativistic sphere ...
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, ...