The classifying space of an inverse semigroup
classification
🧮 math.CT
keywords
inverseclassifyingrightsemigroupsemigroupsspacealgebraicallybands
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We refine Funk's description of the classifying space of an inverse semigroup by replacing his *-semigroups by right generalized inverse *-semigroups. Our proof uses the idea that presheaves of sets over meet semilattices may be characterized algebraically as right normal bands.
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