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math-ph2002★ 1 cited
Chern character, Hopf algebras, and BRS cohomology
Denis Perrot
We present the construction of a Chern character in cyclic cohomology, involving an arbitrary number of associative algebras in contravariant or covariant position. This is a gener…
math-ph2002
Retraction of the bivariant Chern character
Denis Perrot
We show that the bivariant Chern character in entire cyclic cohomology constructed in a previous paper in terms of superconnections and heat kernel regularization, retracts on peri…