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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…

一般拓扑 · 数学 2007-10-01 Georgi Dobromirov Dimov

Under a general categorical procedure for the extension of dual equivalences as presented in this paper's predecessor, a new algebraically defined category is established that is dually equivalent to the category $\bf LKHaus$ of locally…

范畴论 · 数学 2021-09-16 G. Dimov , E. Ivanova-Dimova , W. Tholen

De Vries duality yields a dual equivalence between the category of compact Hausdorff spaces and a category of complete Boolean algebras with a proximity relation on them, known as de Vries algebras. We extend de Vries duality to completely…

一般拓扑 · 数学 2018-04-11 Guram Bezhanishvili , Patrick J. Morandi , Bruce Olberding

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…

逻辑 · 数学 2019-11-19 Tristan Bice , Charles Starling

By de Vries duality, the category of compact Hausdorff spaces is dually equivalent to the category of de Vries algebras. In our recent article, we have extended de Vries duality to completely regular spaces by generalizing de Vries algebras…

一般拓扑 · 数学 2018-04-13 Guram Bezhanishvili , Patrick J. Morandi , Bruce Olberding

As it was shown in the first part of this paper, there exists a duality between the category DSkeLC (introduced there) and the category SkeLC of locally compact Hausdorff spaces and continuous skeletal maps. We describe here the…

一般拓扑 · 数学 2007-10-02 Georgi Dobromirov Dimov

In this paper we prove some new Stone-type duality theorems for some subcategories of the category $\ZLC$ of locally compact zero-dimensional Hausdorff spaces and continuous maps. These theorems are new even in the compact case. They…

一般拓扑 · 数学 2009-07-14 Georgi Dimov

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…

一般拓扑 · 数学 2015-11-24 Georgi Dimov , Dimiter Vakarelov

We prove a number of dualities between posets and (pseudo)bases of open sets in locally compact Hausdorff spaces. In particular, we show that (1) Relatively compact basic sublattices are finitely axiomatizable. (2) Relatively compact basic…

一般拓扑 · 数学 2019-11-19 Tristan Bice , Charles Starling

In this paper we construct an $\mathcal{A}_\infty$-category associated to a Legendrian submanifold of jet spaces. Objects of the category are augmentations of the Chekanov algebra $\mathcal{A}(\Lambda)$ and the homology of the morphism…

辛几何 · 数学 2013-05-14 Frédéric Bourgeois , Baptiste Chantraine

Propounding a general categorical framework for the extension of dualities, we present a new proof of the de Vries Duality Theorem for the category $\bf KHaus$ of compact Hausdorff spaces and their continuous maps, as an extension of a…

一般拓扑 · 数学 2020-08-04 G. Dimov , E. Ivanova-Dimova , W. Tholen

In three recaent papers of G. Dimov, many Stone-type duality theorems for the category of locally compact Hausdorff spaces and continuous maps and some of its subcategories were proved. The dual objects in all these theorems are the local…

一般拓扑 · 数学 2014-12-09 Elza Ivanova-Dimova

As proved by Dimov [Acta Math. Hungarica, 129 (2010), 314--349], there exists a duality L between the category HLC of locally compact Hausdorff spaces and continuous maps, and the category DHLC of complete local contact algebras and…

一般拓扑 · 数学 2018-06-21 G. Dimov , E. Ivanova-Dimova , I. Duentsch

We study generalized almost contact structures on odd-dimensional manifolds. We introduce a notion of integrability and show that the class of these structures is closed under symmetries of the Courant-Dorfman bracket, including T-duality.…

微分几何 · 数学 2015-12-11 Marco Aldi , Daniele Grandini

We exhibit an adjunction between a category of abstract algebras of partial functions that we call difference-restriction algebras and a category of Hausdorff \'etale spaces. Difference-restriction algebras are those algebras isomorphic to…

逻辑 · 数学 2025-08-06 Célia Borlido , Ganna Kudryavtseva , Brett McLean

In [G. Dimov and E. Ivanova-Dimova, Two extensions of the Stone Duality to the category of zero-dimensional Hausdorff spaces, arXiv:1901.04537v4, 1--33], extending the Stone Duality Theorem, we proved two duality theorems for the category…

一般拓扑 · 数学 2020-10-02 Georgi Dimov , Elza Ivanova-Dimova

Extending the Stone Duality Theorem, we prove two duality theorems for the category ZHaus of zero-dimensional Hausdorff spaces and continuous maps. Both of them imply easily the Tarski Duality Theorem, as well as two new duality theorems…

一般拓扑 · 数学 2020-10-07 Georgi Dimov , Elza Ivanova-Dimova

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…

环与代数 · 数学 2016-04-11 Andrej Bauer , Karin Cvetko-Vah

In this note we prove Yosida duality --- that is: the category of compact Hausdorff spaces with continuous maps is dually equivalent to the category of uniformly complete Archimedean Riesz spaces with distinguished units and unit-preserving…

泛函分析 · 数学 2016-12-13 Bas Westerbaan

We exhibit an adjunction between a category of abstract algebras of partial functions and a category of set quotients. The algebras are those atomic algebras representable as a collection of partial functions closed under relative…

逻辑 · 数学 2022-06-15 Célia Borlido , Brett McLean
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