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math.KT2025
The Baum-Connes conjecture for extensions
Ralf Meyer
This note provides a counterexample showing that the assumptions that Chabert and Echterhoff have imposed in their permanence property of the Baum-Connes conjecture for group exten…
math.KT2007★ 61 cited
Homological algebra in bivariant K-theory and other triangulated categories
Ralf Meyer, Ryszard Nest
Bivariant (equivariant) K-theory is the standard setting for non-commutative topology. We may carry over various techniques from homotopy theory and homological algebra to this set…