학술저널
A SHARP LOWER BOUND OF THE FIRST NEUMANN EIGENVALUE OF A COMPACT HYPERSURFACE INSIDE A CONVEX SET
- 충청수학회
- Journal of the Chungcheong Mathematical Society
- Volume 23, No. 4
-
2010.12629 - 633 (5 pages)
- 7
In this paper we provide a sharp lower bound of the ¯rst Neumann eigenvalue of a compact hypersurface § inside a con- vex set C in a Riemannian manifold under the assumption that @§ meets @C orthogonally.
1. Introduction
2. Proof of the main theorem
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