55 citations · 143 across the 24 of their papers we have counts for
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math.OA2013★ 12 cited
Inner amenability for groups and central sequences in factors
Ionut Chifan, Thomas Sinclair, Bogdan Udrea
We show that a large class of i.c.c., countable, discrete groups satisfying a weak negative curvature condition are not inner amenable. By recent work of Hull and Osin, our result…
math.FA2013
On the ergodic theorem for affine actions on Hilbert space
Ionut Chifan, Thomas Sinclair
This note establishes a new weak mean ergodic theorem for 1-cocycles associated to weakly mixing representations of amenable groups.