The spectrum of compact hypersurface in sphere |
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Authors: | Email author" target="_blank">Xu?SenlinEmail author Deng?Qintao Chen?Dongmei |
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Institution: | (1) Department of Mathematics, Central China Normal University, 430079 Wuhan, Hubei, P. R. China;(2) Department of Mathematics, University of Science and Technology, 230026 Heifei, P. R. China |
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Abstract: | Let M be a compact minimal hypersurface of sphere Sn+1(1). Let
be H(r)-torus of sphere Sn+1(1). Assume they have the same constant mean curvature H, the result in 1] is that if
, then for
or
, then M is isometric to
. We improved the result and prove that: if
, then M is isometric to
. Generally, if
, here p is fixed and satisfies that n(n−1)≠6p(n−p), then M is isometric to
.
Supported by National Natural Science Foundation of China (10371047) |
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Keywords: | Laplace operator spectrum isometric SPHERE HYPERSURFACE COMPACT fixed improved isometric result constant mean curvature torus compact minimal hypersurface sphere |
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