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math.FA2014
A metric approach to limit operators
Jan Spakula, Rufus Willett
We extend the limit operator machinery of Rabinovich, Roch, and Silbermann from to (bounded geometry, strongly) discrete metric spaces. We do not assume the presence…
math.FA2009★ 1 cited
Uniform version of Weyl-von Neumann theorem
Jan Spakula
We prove a "quantified" version of the Weyl-von Neumann theorem, more precisely, we estimate the ranks of approximants to compact operators appearing in the Voiculescu's theorem ap…