Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: The homotopy fixed points of the circle action on Hochschild homology   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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The categories of this paper are: q-alg
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The categories of this paper are: acc-phys
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The categories of this paper are: stat
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The categories of this paper are: adap-org
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The categories of this paper are: atom-ph
4
The categories of this paper are: cond-mat
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The categories of this paper are: econ
34
The categories of this paper are: chem-ph
5
The categories of this paper are: gr-qc
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The categories of this paper are: ao-sci
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The categories of this paper are: comp-gas
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The categories of this paper are: hep-ex
0
The categories of this paper are: hep-ph
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The categories of this paper are: alg-geom
6
The categories of this paper are: astro-ph
1
The categories of this paper are: cs