853 citations
- Industrial University of SantanderCO23 papers
- Central University of VenezuelaVE22 papers
- The Abdus Salam International Centre for Theoretical Physics (ICTP)IT21 papers
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- Universidad Nacional Autónoma de MéxicoMX17 papers
- Universidad de CaraboboVE13 papers
- Universidade do Estado do Rio de JaneiroBR13 papers
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Showing 2004 · gr-qcShow all
3 papers · 2 filters
gr-qc2004★ 16 cited
The 3-dimensional Einstein-Klein-Gordon system in characteristic numerical relativity
W. Barreto, A. Da Silva, R. Gomez +3
We incorporate a massless scalar field into a 3-dimensional code for the characteristic evolution of the gravitational field. The extended 3-dimensional code for the Einstein--Klei…
gr-qc2004★ 16 cited
A source of a quasi--spherical space--time: The case for the M--Q solution
L. Herrera, W. Barreto, J. L. Herenández Pastora
We present a physically reasonable source for an static, axially--symmetric solution to the Einstein equations. Arguments are provided, supporting our belief that the exterior spac…
gr-qc2004★ 6 cited
On the general structure of Ricci collineations for type B warped spacetimes
J. L. Flores, Y. Parra, U. Percoco
A complete study of the structure of Ricci collineations for type B warped spacetimes is carried out. This study can be used as a method to obtain these symetries in such spacetime…