Listar Articulos, Pre-prints (Facultad de Ciencias) por autor "Parra, Yoan"
Mostrando ítems 1-2 de 2
-
On duality in the born-infeld theory
Khoudeir, Adel; Parra, Yoan (SABER ULA, 2005-01-06)On duality in the born-infeld theory (Khoudeir, Adel; Parra, Yoan) Abstract The SL(2,R) duality symmetric action for the Born-Infeld theory in terms of two potentials, coupled with non-trivial backgroud fields in ... -
On the general structure of Ricci collineations for type B warped spacetimes.
Flores, J. L.; Percoco, Umberto; Parra, Yoan (SABER ULA, 2005-08-18)On the general structure of Ricci collineations for type B warped spacetimes (Flores, J. L.; Parra, Yoan; Percoco, Umberto.) Abstract A complete study of the structure of Ricci collineations for type B warped spacetimes ...