The multiplicativity of fixed point invariants

The multiplicativity of fixed point invariants
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定点不变量的乘法

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发表时间:
2012
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通讯作者:
Michael Shulman
Michael Shulman
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文献类型:
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作者:
K. Ponto;Michael Shulman

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我们证明了两个一般的因子分解定理的不动点不变量的纤维化:一个Lefschetz数和一个Reidemeister跟踪。这些定理暗示了纤维化的Lefschetz数和Nielsen数的乘法性结果。此外,这些定理的证明基本上是形式化的,发生在抽象的背景下的bicategorical痕迹。这使得对其他上下文的概括变得简单明了。55M20; 18D05,55R05
We prove two general factorization theorems for fixed-point invariants of fibrations: one for the Lefschetz number and one for the Reidemeister trace. These theorems imply the familiar multiplicativity results for the Lefschetz and Nielsen numbers of a fibration. Moreover, the proofs of these theorems are essentially formal, taking place in the abstract context of bicategorical traces. This makes generalizations to other contexts straightforward. 55M20; 18D05, 55R05