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Homothetic perfect fluid spacetimes
(SABER ULA, 2008-07-02)
Homothetic perfect fluid spacetimes
(Carot, Jaume; Sintes, A. M.)
Abstract
A brief summary of results on homotheties in general relativity is given,
including general information about spacetimes admitting an ...
Matter collineations: The inverse "symmetry inheritance" problem.
(SABER ULA, 2008-07-02)
Generalised soliton solutions of the Weyl class
(SABER ULA, 2008-07-02)
Generalised soliton solutions of the Weyl class
(Verdaguer, Enric ; Carot, Jaume)
Abstract
The whole family of generalised soliton solutions of the Weyl class for Einstein's equations in vacuum is considered. A ...
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 ...
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, ...
Creencias, concepciones y conocimiento profesional de profesores que enseñan cálculo diferencial a estudiantes de ciencias económicas.
(SABER ULA, 2007-04-17)
Creencias, concepciones y conocimiento profesional de profesores que enseñan cálculo diferencial a estudiantes de ciencias
económicas.
García O., Luis A.; Azcárate, Carmen y Moreno, Mar
Resumen
En este artículo se ...
EBP como metodología activa para la enseñanza del cálculo diferencial.
(SABER ULA, 2007-04-17)
EBP como metodología activa para la enseñanza del cálculo diferencial.
García O., Luis A.; Moreno, Mar y Azcárate, Carmen
Debido a los cambios que se vienen gestando dentro del sistema de educación superior mundial, el ...
Star positions in the area of the perseus double cluster obtained photographically and with a CCD.
(SABER ULA, 2007-04-17)
Star positions in the area of the perseus double cluster obtained photographically and with a CCD.
Abad, C. y García O., Luis A.
Resumen
Se presenta un diálogo con posiciones estelares para tres épocas diferentes y ...
New BPS domain wall solutions.
(SABER ULA, 2007-03-28)
New BPS domain wall solutions.
(Pantoja, Nelson y Ramírez, Alba)
Abstract
Smooth solutions of gravity-scalar field models which represents BPS domain wall spacetimes with a well defined thin wall limit are obtained ...
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 ...