Events by date

Wednesday, April 20, 2022

Wednesday, April 20, 2022 — 4:00 PM EDT

Xuanlong Fu, University of Toronto

"Tracial  oscillation zero and stable rank one"

Let A be a separable (not necessarily unital) simple C*-algebra with strict comparison. We show that if A has tracial approximate oscillation zero then A has stable rank one and the canonical map \Gamma from the Cuntz semigroup of A to the corresponding lower-semicontinuous affine function space is surjective. The converse also holds.

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