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Examples of twisted cyclic cocycles from covariant differential calculi

Konrad Schmuedgen, Elmar Wagner

math.QAarXiv:math/0305168

Abstract

For two covariant differential *-calculi, the twisted cyclic cocycle associated with the volume form is represented in terms of commutators [F,ρ(x)] for some self-adjoint operator F and some *-representation ρ of the underlying *-algebra.

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