ON ESTIMATES OF THE FIRST EIGENVALUE OF THE LAPLACIAN OF THE CONVEX DOMAIN ON A 2-DIMENSIONAL SPHERE

ON ESTIMATES OF THE FIRST EIGENVALUE OF THE LAPLACIAN OF THE CONVEX DOMAIN ON A 2-DIMENSIONAL SPHERE

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摘要 Ⅰ. INTRODUCTIONSuppose Ω is a convex domain with piecewise smooth boundary on a 2-dimensional sphere with radius R. Let λ<sub>1</sub>（Ω）be the first eigenvalue of the Laplacian with

作者陆志勤

机构地区 Department of Applied Mathematics

出处《Chinese Science Bulletin》 SCIE EI CAS 1991年第7期529-533,共5页

基金 Project supported by the National Natural Science Foundation of China.

关键词 first EIGENVALUE Cheeger-isoperimetric constant. first eigenvalue, Cheeger-isoperimetric constant.

分类号 N [自然科学总论]

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Chinese Science Bulletin

1991年第7期

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ON ESTIMATES OF THE FIRST EIGENVALUE OF THE LAPLACIAN OF THE CONVEX DOMAIN ON A 2-DIMENSIONAL SPHERE

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