The Chern-Galois character

Details The Chern-Galois character The Chern-Galois character

2003-06-30

arxiv.org/abs/math/0306436v1

Mathematics

K-Theory and Homology

4 pages, LaTeX

Scientific paper

Following the idea of Galois-type extensions and entwining structures, we
define the notion of a principal extension of noncommutative algebras. We show
that modules associated to such extensions via finite-dimensional
corepresentations are finitely generated projective, and determine an explicit
formula for the Chern character applied to the thus obtained modules.

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