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The notions of a {\em 2-precontact space}\/ and a {\em 2-contact space}\/ are introduced. Using them, new representation theorems for precontact and contact algebras are proved. It is shown that there are bijective correspondences between…

General Topology · Mathematics 2015-11-24 Georgi Dimov , Dimiter Vakarelov

This paper is meant to give a short exposition of the Stone's Representation Theorems. We provide three equivalent approaches to construct a Stone's space from a given Boolean algebra. Finally, we utilize the Stone's Representation Theorems…

General Topology · Mathematics 2022-01-11 Hussain Rashed

Stone duality establishes a contravariant equivalence between the category of Boolean algebras and the category of compact, Hausdorff, totally disconnected topological spaces (Stone spaces). These spaces are precisely the profinite spaces…

General Topology · Mathematics 2026-01-15 J. R. Pérez-Buendía

We present a Stone duality for bitopological spaces in analogy to the duality between Stone spaces and Boolean algebras, in the same vein as the duality between d-sober bitopological spaces and spatial d-frames established by Jung and…

General Topology · Mathematics 2026-01-27 Hang Yang , Dexue Zhang

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

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

Our main result is that any topological algebra based on a Boolean space is the extended Stone dual space of a certain associated Boolean algebra with additional operations. A particular case of this result is that the profinite completion…

Logic · Mathematics 2013-09-13 Mai Gehrke

In this article we investigate the notion and basic properties of Boolean algebras and prove the Stone's representation theorem. The relations of Boolean algebras to logic and to set theory will be studied and, in particular, a neat proof…

Logic · Mathematics 2011-12-06 Cheng Hao

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 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 standard topological representation of a Boolean algebra via the clopen sets of a Stone space requires a nonconstructive choice principle, equivalent to the Boolean Prime Ideal Theorem. In this paper, we describe a choice-free…

Logic · Mathematics 2021-12-14 Nick Bezhanishvili , Wesley H. Holliday

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

A common feature of many duality results is that the involved equivalence functors are liftings of hom-functors into the two-element space resp. lattice. Due to this fact, we can only expect dualities for categories cogenerated by the…

Category Theory · Mathematics 2017-04-03 Dirk Hofmann , Pedro Nora

This note contains a Stone-style representation theorem for compact Hausdorff spaces.

Logic · Mathematics 2007-05-23 Mirna Džamonja

The paper studies computability-theoretic aspects of topological $T_0$-spaces. We introduce effective versions of the notions of a countable $c$-poset and a (second-countable) topological space with base. Based on this, we prove an…

We prove a categorical duality between a class of abstract algebras of partial functions and a class of (small) topological categories. The algebras are the isomorphs of collections of partial functions closed under the operations of…

Rings and Algebras · Mathematics 2021-09-28 Brett McLean

We extend Yosida's 1941 version of Stone-Gelfand duality to metrically complete unital lattice-ordered groups that are no longer required to be real vector spaces. This calls for a generalised notion of compact Hausdorff space whose points…

Functional Analysis · Mathematics 2024-11-27 Marco Abbadini , Vincenzo Marra , Luca Spada

In this paper, it is shown that the Boolean ring of a commutative ring is isomorphic to the ring of clopens of its prime spectrum. In particular, Stone's Representation Theorem is generalized. The prime spectrum of the Boolean ring of a…

Commutative Algebra · Mathematics 2021-02-16 Abolfazl Tarizadeh , Zahra Taheri

Profinite algebras are the residually finite compact algebras; their underlying topological spaces are Stone spaces. We extend the theory of profinite algebras to a more general setting of Stone topological algebras. We introduce Stone…

Logic · Mathematics 2024-09-25 Jorge Almeida , Ondřej Klíma

Generalizing Duality Theorem of V. V. Fedorchuk, we prove Stone-type duality theorems for the following four categories: all of them have as objects the locally compact Hausdorff spaces, and their morphisms are, respectively, the continuous…

General Topology · Mathematics 2007-10-01 Georgi Dobromirov Dimov
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