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3 votes
1 answer
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Extreme points of the set of all traces

Let $G$ be a finitely generated group with a bound on its complex unitary irreducible representations: That is assume all complex unitary irreducibles of $G$ have degrees at most $k$ for some integer $...
user3826143's user avatar
3 votes
0 answers
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Faithful traces on reduced $C^*$-algebra of a measured groupoid

Let $G$ be a measured étale groupoid with quasi-invariant measure $\mu$ (that induces the reduced $C^* $-algebra, meaning it has full support) with associated equivalent measures $\nu,\nu^{-1}$. Is ...
Tomás Pacheco's user avatar