Article ID Journal Published Year Pages File Type
4606663 Differential Geometry and its Applications 2008 4 Pages PDF
Abstract

Suppose that M is a compact orientable hypersurface embedded in a compact n-dimensional orientable Riemannian manifold N. Suppose that the Ricci curvature of N is bounded below by a positive constant k  . We show that 2λ1>k−(n−1)maxM|H|2λ1>k−(n−1)maxM|H| where λ1λ1 is the first eigenvalue of the Laplacian of M and H is the mean curvature of M.

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Physical Sciences and Engineering Mathematics Analysis
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