most citedA Lefschetz fixed-point formula for certain orbifold C*-algebras

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math.KT2007★ 1 cited

A Lefschetz fixed-point formula for certain orbifold C*-algebras

Siegfried Echterhoff, Heath Emerson, Hyun Jeong Kim

Using Poincaré duality in K-theory, we state and prove a Lefschetz fixed point formula for endomorphisms of cross product C*-algebras $C_0(X)\cross G$ coming from covariant pairs.…

math.OA2006

KK-theoretic duality for proper twisted actions

Siegfried Echterhoff, Heath Emerson, Hyun Jeong Kim

Let the discrete group G act properly and isometrically on the Riemannian manifold X. Let C_0(X, δ) be the section algebra of a smooth locally trivial G-equivariant bundle of eleme…