12 citations · 18 across the 3 of their papers we have counts for
3 papers
math.MG2013★ 4 cited
Ghostbusting and property A
John Roe, Rufus Willett
We show that a bounded geometry metric space X has property A if and only if all ghost operators on X are compact.
math.KT2012★ 12 cited
Positive curvature, partial vanishing theorems, and coarse indices
John Roe
Let M be a complete Riemannian manifold, D a Dirac-type operator on M whose Weitzenbock curvature is uniformly positive on the complement of a subset Z of M. We show that the coars…
math.KT2012★ 2 cited
Sheaf theory and Paschke duality
John Roe, Paul Siegel
Paschke duality identifies the K-homology of a space X with the K-theory of a certain dual C*-algebra. We show that Paschke's dual algebra is in a natural way the algebra of sectio…