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Matter and Ricci Collineations

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Publication:5244751

DOI10.1007/978-3-642-40157-2_42zbMATH Open1308.83146arXiv1302.3048OpenAlexW1802493895MaRDI QIDQ5244751

Author name not available (Why is that?)

Publication date: 30 March 2015

Published in: (Search for Journal in Brave)

Abstract: The infinitesimal transformations that leave invariant a two-covariant symmetric tensor are studied. The interest of these symmetry transformations lays in the fact that this class of tensors includes the energy-momentum and Ricci tensors. We find that in most cases the class of infinitesimal generators of these transformations is a finite dimensional Lie algebra but also, in some cases exhibiting a higher degree of degeneracy, this class is infinite dimensional and may fail to be a Lie algebra.


Full work available at URL: https://arxiv.org/abs/1302.3048



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