scientific article; zbMATH DE number 2114691

zbMath1060.18002MaRDI QIDQ4826287

Mark V. Lawson, Benjamin Steinberg

Publication date: 11 November 2004

Full work available at URL: http://www.numdam.org/item?id=CTGDC_2004__45_2_82_0

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zbMATH Keywords

cohomologytoposinverse semigroupordered groupoidpresheafGrothendieck topologysheafright actionétendueleft cancellative category

Mathematics Subject Classification ID

Topoi (18B25) Étale and other Grothendieck topologies and (co)homologies (14F20) Groupoids (i.e. small categories in which all morphisms are isomorphisms) (20L05) Groupoids, semigroupoids, semigroups, groups (viewed as categories) (18B40) Grothendieck topologies and Grothendieck topoi (18F10)

Related Items (7)

Cohomology and extensions of ordered groupoids ⋮ Pseudogroups and their étale groupoids. ⋮ The structure of generalized inverse semigroups. ⋮ Characterizations of Morita equivalent inverse semigroups. ⋮ Recent developments in inverse semigroup theory ⋮ Unnamed Item ⋮ The classifying space of an inverse semigroup.

Cites Work

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• Constructing inverse monoids from small categories
• Etendues and categories with monic maps
• Sheaves in geometry and logic: a first introduction to topos theory
• Ordered groupoids and left cancellative categories
• Seminar of algebraic geometry du Bois-Marie 1963--1964. Topos theory and étale cohomology of schemes (SGA 4). Vol. 1: Topos theory. Exp. I--IV
• Cohomology of inverse semigroups
• Cohomology of inverse semigroups

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