Universidad de Granada

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most citedEffects of new leptons in Electroweak Precision Data

304 citations

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gr-qc2008★ 3 cited

Geometrical Structures of Space-Time in General Relativity

Ignacio Sanchez-Rodriguez

Space-Time in general relativity is a dynamical entity because it is subject to the Einstein field equations. The space-time metric provides different geometrical structures: confo…

gr-qc2007★ 10 cited

Some remarks on Causality Theory and Variational Methods in Lorentzian manifolds

Miguel Sanchez

In this conference published in 1997 some problems on the geodesics of a Lorentzian manifold concerning causality and infinite-dimensional variational methods, are pointed out. Eve…

gr-qc2007★ 30 cited

The causal boundary of wave-type spacetimes

José Luis Flores, Miguel Sánchez

A complete and systematic approach to compute the causal boundary of wave-type spacetimes is carried out. The case of a 1-dimensional boundary is specially analyzed and its critica…

gr-qc2002

Causality and Conjugate Points in General Plane Waves

J. L. Flores, M. Sánchez

Let $M = M_{0} \times R^{2}$ be a pp--wave type spacetime endowed with the metric $< \cdot, \cdot >_{z} =< \cdot, \cdot >_{x} + 2 d u d v + H (x, u) d u^{2}$ , where $(M_{0}, < \cdot, \cdot >_{x})$ is any R…