An ample groupoid is AF if and only if it has homological dimension zero.
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2 Pith papers cite this work. Polarity classification is still indexing.
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math.OA 2years
2026 2verdicts
UNVERDICTED 2representative citing papers
Formulas are supplied for the type semigroup of C*-algebras arising from self-similar group actions on row-finite source-free graphs and from finite bipartite separated graphs.
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A homological characterization of AF groupoids
An ample groupoid is AF if and only if it has homological dimension zero.
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An introduction to separated graphs and their type semigroups
Formulas are supplied for the type semigroup of C*-algebras arising from self-similar group actions on row-finite source-free graphs and from finite bipartite separated graphs.