Tensor distributions on signature-changing space-times

Details Tensor distributions on signature-changing space-times Tensor distributions on signature-changing space-times

1997-01-21

arxiv.org/abs/gr-qc/9701046v1

Gen.Rel.Grav. 32 (2000) 491-503

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

9 pages, LaTeX 2.09

Scientific paper

Irregularities in the metric tensor of a signature-changing space-time suggest that field equations on such space-times might be regarded as distributional. We review the formalism of tensor distributions on differentiable manifolds, and examine to what extent rigorous meaning can be given to field equations in the presence of signature-change, in particular those involving covariant derivatives. We find that, for both continuous and discontinuous signature-change, covariant differentiation can be defined on a class of tensor distributions wide enough to be physically interesting.

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