Transactions of the American Mathematical Society

ISSN 1088-6850(online) ISSN 0002-9947(print)



Line bundle Laplacians
over isospectral nilmanifolds

Author: Dorothee Schueth
Journal: Trans. Amer. Math. Soc. 349 (1997), 3787-3802
MSC (1991): Primary 58G25; Secondary 22E30, 22E25
MathSciNet review: 1401787
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Abstract: We show that nontrivial isospectral deformations of a big class of compact Riemannian two-step nilmanifolds can be distinguished from trivial deformations by the behaviour of bundle Laplacians on certain non-flat hermitian line bundles over these manifolds.

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Additional Information

Dorothee Schueth
Affiliation: Mathematisches Institut der Univ. Bonn, Beringstr. 1, D-53115 Bonn, Germany

Keywords: Line bundles, Laplacian, isospectral deformations, nilmanifolds
Received by editor(s): April 15, 1996
Additional Notes: Supported by a grant from DFG, Bonn/Germany; partially supported by SFB 256, Bonn.
Article copyright: © Copyright 1997 American Mathematical Society