Corpus ID: 117038447

# Deformation of algebras associated to group cocycles

@article{Yamashita2011DeformationOA,
title={Deformation of algebras associated to group cocycles},
author={Makoto Yamashita},
journal={arXiv: Operator Algebras},
year={2011}
}
• M. Yamashita
• Published 13 July 2011
• Mathematics
• arXiv: Operator Algebras
We define a deformation of algebras endowed with coaction of the reduced group algebras. The deformation parameter is given by a 2-cocycle over the group. We prove K-theory isomorphisms for the cocycles which can be perturbed to the trivial one.
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