A K-Theoretic Proof of the Morse Index Theorem in Semi-Riemannian Geometry

A K-Theoretic Proof of the Morse Index Theorem in Semi-Riemannian Geometry
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DOI:
10.1090/s0002-9939-2011-10874-8
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发表时间:
2010-07
期刊:
arXiv: Differential Geometry
影响因子:
--
通讯作者:
Nils Waterstraat
Nils Waterstraat
中科院分区:
其他
文献类型:
--
作者:
Nils Waterstraat

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我们利用K理论给出了半黎曼流形测地线的莫尔斯指数定理的简短证明。这使得莫尔斯指数定理让人想起自共轭椭圆算子族的 Atiyah-Singer 指数定理。
We give a short proof of the Morse index theorem for geodesics in semi-Riemannian manifolds by using K-theory. This makes the Morse index theorem reminiscent of the Atiyah-Singer index theorem for families of selfadjoint elliptic operators.