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Related papers: A non-commutative generalization of Stone duality

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We show explicitly that Boolean inverse semigroups are in duality with what we term Boolean groupoids. This generalizes the classical Stone duality, which we refer to as commutative Stone duality, between generalized Boolean algebras and…

Category Theory · Mathematics 2022-08-02 Mark V. Lawson

We introduce a class of inverse monoids that can be regarded as non-commutative generalizations of Boolean algebras. These inverse monoids are related to a class of \'etale topological groupoids, under a non-commutative generalization of…

Category Theory · Mathematics 2014-07-08 Mark V Lawson

We revisit our construction of the Thompson groups from the polycyclic inverse monoids in the light of new research. Specifically, we prove that the Thompson group $G_{n,1}$ is the group of units of a Boolean inverse monoid $C_{n}$ called…

Group Theory · Mathematics 2020-06-30 Mark V Lawson

We study a non-commutative generalization of Stone duality that connects a class of inverse semigroups, called Boolean inverse $\wedge$-semigroups, with a class of topological groupoids, called Hausdorff Boolean groupoids. Much of the paper…

Category Theory · Mathematics 2012-03-16 Mark V Lawson

We extend the classical Stone duality between zero dimensional compact Hausdorff spaces and Boolean algebras. Specifically, we simultaneously remove the zero dimensionality restriction and extend to \'etale groupoids, obtaining a duality…

Logic · Mathematics 2019-11-19 Tristan Bice , Charles Starling

The classical Stone duality associates to each Boolean algebra a topological space consisting of ultrafilters. Lawson's generalisation constructs a dual equivalence of categories of Boolean inverse $\land$-semigroups and Hausdorff ample…

Rings and Algebras · Mathematics 2025-10-09 Roozbeh Hazrat , Zachary Mesyan

We introduce a class of inverse monoids, called Tarski monoids, that can be regarded as non-commutative generalizations of the unique countable, atomless Boolean algebra. These inverse monoids are related to a class of etale topological…

Category Theory · Mathematics 2017-04-13 Mark V Lawson

A pseudogroup is a complete infinitely distributive inverse monoid. Such inverse monoids bear the same relationship to classical pseudogroups of transformations as frames do to topological spaces. The goal of this paper is to develop the…

Category Theory · Mathematics 2011-08-08 Mark V. Lawson , Daniel H. Lenz

Under non-commutative Stone duality, there is a correspondence between second countable Hausdorff \'etale groupoids which have a Cantor space of identities and what we call Tarski inverse monoids: that is, countable Boolean inverse…

Category Theory · Mathematics 2016-02-09 Mark V. Lawson

We show that, in certain circumstances, a Boolean ample monoid may be fully embedded into a Boolean inverse monoid in a way that generalizes how right reversible cancellative monoids may be embedded into groups. We use groupoids of…

Category Theory · Mathematics 2026-04-09 Mark V. Lawson

The aim of the present paper is to extend the dualizing object approach to Stone duality to the non-commutative setting of skew Boolean algebras. This continues the study of non-commutative generalizations of different forms of Stone…

Category Theory · Mathematics 2015-03-12 Ganna Kudryavtseva

In this note we shall generalize the Stone duality between compact totally disconnected spaces and Boolean algebras to a duality between all complete non-Archimedean uniform spaces and Boolean algebras.

General Topology · Mathematics 2011-05-12 Joseph Van Name

We establish two duality theorems which refine the classical Stone duality between generalized Boolean algebras and locally compact Boolean spaces. In the first theorem we prove that the category of left-handed skew Boolean algebras whose…

Rings and Algebras · Mathematics 2015-03-18 Ganna Kudryavtseva

Extensions of Stone-type dualities have a long history in algebraic logic and have also been instrumental in proving results in algebraic language theory. We show how to extend abstract categorical dualities via monoidal adjunctions,…

Formal Languages and Automata Theory · Computer Science 2025-10-15 Fabian Lenke , Henning Urbat , Stefan Milius

We extend Exel's ample tight groupoid construction to general locally compact \'etale groupoids in the Hausdorff case. Moreover, we show how inverse semigroups are represented in this way as 'pseudobases' of open bisections, thus yielding a…

General Topology · Mathematics 2020-12-10 Tristan Bice , Charles Starling

We extend Stone duality between generalized Boolean algebras and Boolean spaces, which are the zero-dimensional locally-compact Hausdorff spaces, to a non-commutative setting. We first show that the category of right-handed skew Boolean…

Rings and Algebras · Mathematics 2016-04-11 Andrej Bauer , Karin Cvetko-Vah

We prove that double dualization into the generic algebra for an algebraic theory has some Gelfand- or Stone- duality properties

Category Theory · Mathematics 2014-12-23 Anders Kock

We introduce a contravariant idempotent adjunction between (i) the category of ranked monads on $\mathsf{Set}$; and (ii) the category of internal categories and internal retrofunctors in the category of locales. The left adjoint takes a…

Logic in Computer Science · Computer Science 2026-05-20 Richard Garner , Alyssa Renata , Nicolas Wu

This paper is a contribution to the theory of what might be termed $0$-dimensional non-commutative spaces. We prove that associated with each inverse semigroup $S$ is a Boolean inverse semigroup presented by the abstract versions of the…

Operator Algebras · Mathematics 2019-03-01 Mark V Lawson , Alina Vdovina

From a logical point of view, Stone duality for Boolean algebras relates theories in classical propositional logic and their collections of models. The theories can be seen as presentations of Boolean algebras, and the collections of models…

Logic · Mathematics 2013-07-01 Steve Awodey , Henrik Forssell
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