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A second-order identity for the Riemann tensor and applications

Tom 122 / 2011

Carlo Alberto Mantica, Luca Guido Molinari Colloquium Mathematicum 122 (2011), 69-82 MSC: 53B20, 53B21. DOI: 10.4064/cm122-1-7

Streszczenie

A second-order differential identity for the Riemann tensor is obtained on a manifold with a symmetric connection. Several old and some new differential identities for the Riemann and Ricci tensors are derived from it. Applications to manifolds with recurrent or symmetric structures are discussed. The new structure of $K$-recurrency naturally emerges from an invariance property of an old identity due to Lovelock.

Autorzy

  • Carlo Alberto ManticaPhysics Department
    Università degli Studi di Milano
    Via Celoria 16
    20133 Milano, Italy
  • Luca Guido MolinariPhysics Department
    Università degli Studi di Milano
    Via Celoria 16
    20133 Milano, Italy
    e-mail

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