3 citations · 3 across the 3 of their papers we have counts for
4 papers
Scalar conformal invariants of weight zero
Ignacio Sánchez-Rodríguez
In the class of metrics of a generic conformal structure there exists a distinguishing metric. This was noticed by Albert Einstein in a lesser-known paper of 1921 (Berl. Ber., 1921…
An Approach to Differential Invariants of -Structures
Ignacio Sánchez-Rodríguez
In a natural way, the local diffeomorphisms of a manifold onto itself act on the reference frame bundles of any order and on the bundles associated with them. Due to the transitivi…
G-Structures defined on pseudo-Riemannian manifolds
Ignacio Sanchez-Rodriguez
Concepts and techniques from the theory of G-structures of higher order are applied to the study of certain structures (volume forms, conformal structures, linear connections and p…
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…