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We give a new proof of Koll\'ar's conjecture on the pushforward of the dualizing sheaf twisted by a variation of Hodge structure. This conjecture was settled by M. Saito via mixed Hodge modules and has applications in the investigation of…

Algebraic Geometry · Mathematics 2021-06-28 Junchao Shentu , Chen Zhao

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 study the notion of duality in the context of graded manifolds. For graded bundles, somehow like in the case of Gelfand representation and the duality: points vs. functions, we obtain natural dual objects which belongs to a different…

Differential Geometry · Mathematics 2017-08-30 Janusz Grabowski , Michał Jóźwikowski , Mikołaj Rotkiewicz

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 connect Priestley duality for distributive lattices and its generalization to distributive meet-semilattices to Hofmann-Mislove-Stralka duality for semilattices. Among other things, this involves consideration of various morphisms…

Logic · Mathematics 2024-11-25 Guram Bezhanishvili , Luca Carai , Patrick Morandi

We define Stone $\delta$-rings as a new class of $\delta$-rings. Via Stone duality, we shows that $\delta$-rings relates light condensed mathematics, which is developed by Clausen-Scholze. Also, we examine some phenomena for this…

Algebraic Geometry · Mathematics 2025-05-20 Yuto Yamada

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

A convexity space is a set X with a chosen family of subsets (called convex subsets) that is closed under arbitrary intersections and directed unions. There is a lot of interest in spaces that have both a convexity space and a topological…

Category Theory · Mathematics 2026-05-06 Toby Kenney

We prove a new duality theorem for the category of precontact algebras which implies the Stone Duality Theorem, its connected version obtained in arXiv:1508.02220v3, 1-44 (to appear in Topology Appl.), the recent duality theorems of…

General Topology · Mathematics 2016-03-04 G. Dimov , E. Ivanova-Dimova , D. Vakarelov

A duality is discussed for Lie group bundles vs. certain tensor categories with non-simple identity, in the setting of Nistor-Troitsky gauge-equivariant K-theory. As an application, we study C*-algebra bundles with fibre a fixed-point…

K-Theory and Homology · Mathematics 2007-12-03 Ezio Vasselli

Stone duality is an indispensable tool for the study of compact, zero-dimensional, Hausdorff spaces. In the case of general compact Hausdorff spaces one can get quite a bit of mileage by considering the `Wallman duality' between compact…

Logic · Mathematics 2026-03-12 Ilijas Farah

This chapter uses categorical techniques to describe relations between various sets of operators on a Hilbert space, such as self-adjoint, positive, density, effect and projection operators. These relations, including various…

Logic in Computer Science · Computer Science 2012-07-18 Bart Jacobs , Jorik Mandemaker

We develop a mathematical concept towards gauge field theories based upon a Hilbert space endowed with a representation of a skew-adjoint Lie algebra and an action of a generalized Dirac operator. This concept shares common features with…

High Energy Physics - Theory · Physics 2008-02-03 Raimar Wulkenhaar

A fundamental feature of quantum groups is that many come in pairs of mutually dual objects, like finite-dimensional Hopf algebras and their duals, or quantisations of function algebras and of universal enveloping algebras of Poisson-Lie…

Quantum Algebra · Mathematics 2014-03-24 Thomas Timmermann

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…

General Topology · Mathematics 2020-10-07 Georgi Dimov , Elza Ivanova-Dimova

We establish a duality between global sheaves on spectral spaces and right distributive bands. This is a sheaf-theoretical extension of classical Stone duality between spectral spaces and bounded distributive lattices. The topology of a…

Category Theory · Mathematics 2023-03-14 Clemens Berger , Mai Gehrke

In this paper we point out the natural relation between $\mathbb Q$-twisted objects of the derived category of abelian varieties, cohomological rank functions, and semihomogeneous vector bundles. We apply this to two basic classes of…

Algebraic Geometry · Mathematics 2025-12-23 Nelson Alvarado , Giuseppe Pareschi

In this paper, we use the tools of nonabelian duality to formulate and prove a far-reaching generalization of the Stone-von Neumann Theorem to modular representations of actions and coactions of locally compact groups on elementary $…

Operator Algebras · Mathematics 2022-06-22 Lucas Hall , Leonard Huang , John Quigg

Two approaches to the tangent space of a noncommutative space whose coordinate algebra is the enveloping algebra of a Lie algebra are known: the Heisenberg double construction and the approach via deformed derivatives, usually defined by…

Quantum Algebra · Mathematics 2015-05-14 Zoran Škoda

We prove versions of the spectral adjunction, a Stone-type duality and Hofmann-Lawson duality for locally small spaces with bounded continuous mappings.

General Topology · Mathematics 2020-09-08 Artur Piękosz