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math.OA2003
Exactness and uniform embeddability of discrete groups
Erik Guentner, Jerome Kaminker
We define a numerical quasi-isometry invariant of a finitely generated group, whose values parametrize the difference between the group being uniformly embeddable in a Hilbert spac…
math.OA2000
Exactness and the Novikov Conjecture
Erik Guentner, Jerome Kaminker
We study the connection between the condition that the reduced C*-algebra of a finitely presented group is exact and the Novikov conjecture holding. The main result states that if…