Dirichlet eigenvalue;
gradient estimate;
Ricci curvature;
mean curvature;
D O I:
10.14317/jami.2021.165
中图分类号:
O29 [应用数学];
学科分类号:
070104 ;
摘要:
We prove a lower estimate of Neumann eigenvalues on compact manifolds with the condition that the Ricci curvature is bounded below. We improved the earlier results.
机构:
Department of Mathematics Hangzhou Teachers College Hangzhou Zhejiang China.Department of Mathematics Hangzhou Teachers College Hangzhou Zhejiang China.
机构:
Beijing Normal Univ, Sch Math Sci, Lab Math & Complex Syst, Minist Educ, Beijing 100875, Peoples R ChinaBeijing Normal Univ, Sch Math Sci, Lab Math & Complex Syst, Minist Educ, Beijing 100875, Peoples R China
机构:
Nanjing Normal Univ, Sch Math Sci, Inst Math, Nanjing 210023, Jiangsu, Peoples R ChinaNanjing Normal Univ, Sch Math Sci, Inst Math, Nanjing 210023, Jiangsu, Peoples R China
机构:
Huazhong Univ Sci & Technol, Sch Math & Stat, Wuhan, Peoples R China
Huazhong Univ Sci & Technol, Sch Math & Stat, Wuhan 430074, Peoples R ChinaHuazhong Univ Sci & Technol, Sch Math & Stat, Wuhan, Peoples R China