摘要
TheauthorgivesanoptimumestimateofthefirsteigenvalueofacompactRiemannianmanifold.ItisshownthatletMbeacompactRiemannianmanifold,thenthefirsteigenvalueλ1oftheLaplaceoperatorofMsatisfiesα1+max{0,-(n-1)K}≥π2/d2wheredisthediameterofMand(n-1)KisthenegativelowerboundoftheRiccicurvatureofM.
出版日期
1991年03月13日(中国期刊网平台首次上网日期,不代表论文的发表时间)