Eigenvalue estimates for the Dirac operator on Kahler-Einstein manifolds of even complex dimension

被引:4
作者
Kirchberg, K. -D. [1 ]
机构
[1] Humboldt Univ, Inst Math, D-10099 Berlin, Germany
关键词
Dirac operator; Eigenvalue; Lower bound; Kahler-Einstein manifold; 1ST EIGENVALUE; SCALAR-CURVATURE;
D O I
10.1007/s10455-010-9212-6
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
In the case of a Kahler-Einstein manifold of positive scalar curvature and even complex dimension, an improved lower bound for the first eigenvalue of the Dirac operator is given. It is shown by a general construction that there are manifolds for which this new lower bound itself is the first eigenvalue.
引用
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页码:273 / 284
页数:12
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