Yumei Wu
Federal University of Rio de Janeiro
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Publication
Featured researches published by Yumei Wu.
General Relativity and Gravitation | 1999
Anzhong Wang; Yumei Wu
A large family of solutions, representing, ingeneral, spherically symmetric Type II fluid, ispresented, which includes most of the known solutions tothe Einstein field equations, such as, the monopole-de Sitter-charged Vaidya ones.
Classical and Quantum Gravity | 2004
Eric W. Hirschmann; Anzhong Wang; Yumei Wu
We consider the problem of critical gravitational collapse of a scalar field in 2 + 1 dimensions with spherical (circular) symmetry. After surveying all the analytic, continuously self-similar solutions and considering their global structure, we examine their perturbations with the intent of understanding which are the critical solutions with a single unstable mode. The critical solution which we find is the one which agrees most closely with that found in numerical evolutions. However, the critical exponent which we find does not seem to agree with the numerical result.
Physical Review D | 2003
Yumei Wu; M. F. A. da Silva; N. O. Santos; Anzhong Wang
Topological charged black holes coupled with a cosmological constant in
General Relativity and Gravitation | 2006
Anzhong Wang; Yumei Wu
{R}^{2}\ifmmode\times\else\texttimes\fi{}{X}^{D\ensuremath{-}2}
Mathematics and Mechanics of Solids | 1996
Yumei Wu; I-Shih Liu
spacetimes are studied, where
International Journal of Modern Physics D | 2008
Miguel Martins; M. F. A. da Silva; Yumei Wu
{X}^{D\ensuremath{-}2}
Physical Review D | 2011
Anzhong Wang; Yumei Wu
is an Einstein space of the form
Tohoku Mathematical Journal | 1993
George L. Karakostas; I. P. Stavroulakis; Yumei Wu
{}^{(D\ensuremath{-}2)}{R}_{\mathrm{AB}}=k(D\ensuremath{-}{3)h}_{\mathrm{AB}}.
Archive | 1993
Yumei Wu
The global structure for the four-dimensional spacetimes with
General Relativity and Gravitation | 2007
Anzhong Wang; Yumei Wu
k=0
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National Council for Scientific and Technological Development
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