The multiplicativity of fixed point invariants
The multiplicativity of fixed point invariants
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定点不变量的乘法
DOI:
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发表时间:
2012
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通讯作者:
Michael Shulman
中科院分区:
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作者:
K. Ponto;Michael Shulman
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