Tight and cover-to-join representations of semilattices and inverse semigroups
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We discuss the relationship between tight and cover-to-join representations of semilattices and inverse semigroups, showing that a slight extension of the former, together with an appropriate selection of co-domains, makes the two notions equivalent. As a consequence, when constructing universal objects based on them, one is allowed to substitute cover-to-join for tight and vice-versa.
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Cited by 2 Pith papers
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Uniqueness theorems for combinatorial C*-algebras
Uniqueness theorems for combinatorial C*-algebras are proved using groupoid models and Exel's inverse semigroup theory, generalizing results for right LCM monoids and finitely aligned higher-rank graphs.
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Uniqueness theorems for combinatorial C*-algebras
Proves uniqueness theorems for combinatorial C*-algebras from left cancellative small categories using groupoid models and tight representations, generalizing prior results for monoids and higher-rank graphs.
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