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math.QA2004
Cup Products in Hopf-Cyclic Cohomology
Masoud Khalkhali, Bahram Rangipour
We construct cup products of two different kinds for Hopf-cyclic cohomology. When the Hopf algebra reduces to the ground field our first cup product reduces to Connes' cup product…
math.KT2004★ 16 cited
Very Basic Noncommutative Geometry
Masoud Khalkhali
These notes aim to give an introduction to a few aspects of noncommutative geometry.