High Quality Content by WIKIPEDIA articles! The Segre classification is an algebraic classification of rank two symmetric tensors. The resulting types are then known as Segre types. It is most commonly applied to the energy-momentum tensor (or the Ricci tensor) and primarily finds application in the classification of exact solutions in general relativity.In mathematics, a symmetric tensor is tensor that is invariant under a permutation of its vector arguments. Thus a rth order symmetric tensor represented in coordinates as a quantity with r indices satisfies
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