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On the geometry of metallic pseudo-Riemannian structures

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arxiv 1811.10406 v2 pith:OKFGU4EH submitted 2018-11-21 math.GM

classification math.GM
keywords metallicconnectionpseudo-riemannianconstructnaturalstructurestructurestangent
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We generalize the notion of metallic structure in the pseudo-Riemannian setting, define the metallic Norden structure and study its integrability. We consider metallic maps between metallic manifolds and give conditions under which they are constant. We also construct a metallic natural connection recovering as particular case the Ganchev and Mihova connection, which we extend to a metallic natural connection on the generalized tangent bundle. Moreover, we construct metallic pseudo-Riemannian structures on the tangent and cotangent bundles.

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  1. Harmonic metallic structures

    math.DG 2019-08 conditional novelty 4.0 of 10

    On compact Riemannian manifolds, a metallic structure J with J² = pJ + qI is harmonic exactly when its exterior derivative dJ vanishes, provided p² + 4q ≠ 0.

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