25 citations · 128 across the 12 of their papers we have counts for
4 papers · 2 filters
Twisting Null Geodesic Congruences and the Einstein-Maxwell Equations
Ezra T. Newman, Gilberto Silva-Ortigoza
The purpose of the present work is to extend the earlier results for asymptotically flat vacuum space-times to asymptotically flat solutions of the Einstein-Maxwell equations. Once…
Tensorial Spin-s Harmonics
Ezra T. Newman, Gilberto Silva-Ortigoza
We show how to define and go from the spin-s spherical harmonics to the tensorial spin-s harmonics. These quantities, which are functions on the sphere taking values as Euclidean t…
Twisting Null Geodesic Congruences, Scri, H-Space and Spin-Angular Momentum
Carlos. Kozameh, E. T. Newman, Gilberto Silva-Ortigoza
The purpose of this work is to return, with a new observation and rather unconventional point of view, to the study of asymptotically flat solutions of Einstein equations. The esse…
N-dimensional geometries and Einstein equations from systems of PDE's
Emanuel Gallo, Magdalena Marciano-Melchor, Gilberto Silva-Ortigoza
The aim of the present work is twofold: first, we show how all the -dimensional Riemannian and Lorentzian metrics can be constructed from a certain class of systems of second-or…