Journal
JOURNAL OF GEOMETRY AND PHYSICS
Volume 175, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.geomphys.2022.104476
Keywords
Hessian manifolds; Selfsimilar manifolds; Riemannian geometry
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This study discusses the properties of selfsimilar manifolds and selfsimilar Hessian manifolds, describing and characterizing the global and local cases.
A selfsimilar manifold is a Riemannian manifold (M, g) endowed with a homothetic vector field xi. We characterize global selfsimilar manifolds and describe the structure of local selfsimilar manifolds. We prove that any selfsimilar manifold with a potential homothetic vector field is a conical Riemannian manifold or a Euclidean space. A radiant Hessian manifold is a selfsimilar Hessian manifold (M, del, g, xi) such that del xi = lambda Id, where lambda is a constant. We prove that any selfsimilar Hessian manifold with a potential homothetic vector field is locally isomorphic to a product of radiant Hessian manifolds and describe the local structure of radiant selfsimilar Hessian manifolds.(c) 2022 Elsevier B.V. All rights reserved.
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