Some potentials for the curvature tensor on three-dimensional manifolds

Details Some potentials for the curvature tensor on three-dimensional manifolds Some potentials for the curvature tensor on three-dimensional manifolds

May 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005gregr..37..891c&link_type=abstract

General Relativity and Gravitation, Volume 37, Issue 5, pp.891-905

Physics

Lanczos Potential, Riemann Tensor

Scientific paper

We study equations of Riemann Lanczos type on three dimensional manifolds. Obstructions to global existence for global Lanczos potentials are pointed out. We check that the imposition of the original Lanczos symmetries on the potential leads to equations which do not have a determined type, leading to problems when trying to prove global existence. We show that elliptic equations can be obtained by relaxing those symmetry requirements in at least two different ways, leading to global existence of potentials under natural conditions. A second order potential for the Ricci tensor is introduced.

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