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Infinitesimal cohomology and the Chern character to negative cyclic homology

Authors
  • Cortiñas, G.
  • Haesemeyer, C.
  • Weibel, C. A.
Type
Published Article
Publication Date
Jul 27, 2008
Submission Date
Mar 05, 2007
Identifiers
arXiv ID: math/0703133
Source
arXiv
License
Yellow
External links

Abstract

There is a Chern character from K-theory to negative cyclic homology. We show that it preserves the decomposition coming from Adams operations, at least in characteristic 0. This is done by using infinitesimal cohomology to reduce to the case of a nilpotent ideal (which had been established by Cathelineau some time ago).

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