The kernel of the determinant map on certain simple C*-algebras

Published 27 Jun 2012 in math.OA | (1206.6168v1)

Abstract: Let A be a unital separable simple C*-algebra such that either (1) A has real rank zero, strict comparison and cancellation or (2) A is TAI. We study the kernel of the de la Harpe--Skandalis determinant on GL^0(A), proving that the determinant vanishes exactly on elements which are products of 8 multiplicative commutators. We also have results for the unitary case.

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P. W. Ng

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