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The homotopy fixed points of the circle action on Hochschild homology

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arxiv 1506.07123 v2 pith:D6P4643N submitted 2015-06-23 math.KT math.AT

classification math.KTmath.AT
keywords actioncirclecyclicfixedhomologypointsdifferentialgraded
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We show that Connes' B-operator on a cyclic differential graded k-module M is a model for the canonical circle action on the geometric realization of M. This implies that the negative cyclic homology and the periodic cyclic homology of a differential graded category can be identified with the homotopy fixed points and the Tate fixed points of the circle action on its Hochschild complex.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. The Getzler-Gauss-Manin connection and Kontsevich-Soibelman operations on the periodic cyclic homology

    math.QA 2026-01 conditional novelty 8.0 of 10

    Over a field of characteristic p, all Kontsevich-Soibelman operations on periodic cyclic homology are generated by the p-fold equivariant cap product and commute with the Getzler-Gauss-Manin connection.

  2. Thomason's completion for K-theory and cyclic homology of quotient stacks

    math.AG 2025-02 conditional novelty 8.0 of 10

    The paper proves completion theorems identifying completed equivariant K-theory and cyclic homology of quotient stacks with ordinary K-theory and homology of bar or Borel constructions, and gives explicit formulas for...

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