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On Riemannian coverings of manifolds admitting locally splitting actions

โœ Scribed by Dionyssios Lappas; Polychronis Strantzalos


Publisher
Springer
Year
1993
Tongue
English
Weight
560 KB
Volume
11
Category
Article
ISSN
0232-704X

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An estimate for the first eigenvalue of
โœ B. Alexandrov; G. Grantcharov; S. Ivanov ๐Ÿ“‚ Article ๐Ÿ“… 1998 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 492 KB

An estimate for the first eigenvalue of the Dirac operator on compact Riemannian spin manifold of positive scalar curvature admitting a parallel one-form is found. The possible universal covering spaces of the manifolds on which the smallest possible eigenvalue is attained are also listed. Moreover,