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The theory of natural dualities provides a well-developed framework for studying Stone-like dualities induced by an algebra $\mathbf{L}$ which acts as a dualizing object when equipped with suitable topological and relational structure. The…

Logic · Mathematics 2025-05-19 Marco Abbadini , Adam Přenosil

Moisil logic, having as algebraic counterpart \L ukasiewicz-Moisil algebras, provide an alternative way to reason about vague information based on the following principle: a many-valued event is characterized by a family of Boolean events.…

Logic · Mathematics 2014-12-10 Denisa Diaconescu , Ioana Leustean

An explicit categorical equivalence is defined between a proper subvariety of the class of $PMV$-algebras, as defined by Di Nola and Dvure$\check{c}$enskij, to be called $PMV_f$-algebras, and the category of semi-low $f_u$-rings. This…

Logic · Mathematics 2018-12-31 Lilian J. Cruz , Yuri A. Poveda

We characterize all profinite MV-algebras, these are MV-algebras that are inverse limits of finite MV-algebras. It is shown that these are exactly direct product of finite \L ukasiewicz's chains. We also prove that the category $\mathbb{M}$…

Logic · Mathematics 2013-08-23 Jean B. Nganou

We initiate a deep study of {\em Riesz MV-algebras} which are MV-algebras endowed with a scalar multiplication with scalars from $[0,1]$. Extending Mundici's equivalence between MV-algebras and $\ell$-groups, we prove that Riesz MV-algebras…

Logic · Mathematics 2013-09-09 Antonio Di Nola , Ioana Leustean

We answer Mundici's problem number 3 (D. Mundici. Advanced {\L}ukasiewicz calculus. Trends in Logic Vol. 35. Springer 2011, p. 235): Is the category of locally finite MV-algebras equivalent to an equational class? We prove: (i) The category…

Category Theory · Mathematics 2022-11-09 Marco Abbadini , Luca Spada

MV-algebras are an algebraic semantics for Lukasiewicz logic and MV-algebras generated by a finite chain are Heyting algebras where the Godel implication can be written in terms of De Morgan and Moisil's modal operators. In our work, a…

Logic in Computer Science · Computer Science 2020-11-20 Aldo Figallo-Orellano , Juan Sebastian Slagter

The proper quasivariety BCA of Bochvar algebras, which serves as the equivalent algebraic semantics of Bochvar's external logic, was introduced by Finn and Grigolia in and extensively studied in a recent work by two of these authors. In…

Logic · Mathematics 2024-12-20 Stefano Bonzio , Francesco Paoli , Michele Pra Baldi

We connect the dual adjunction between MV-algebras and Tychonoff spaces with the general theory of natural dualities, and provide a number of applications. In doing so, we simplify the aforementioned construction by observing that there is…

Rings and Algebras · Mathematics 2016-03-04 Leonardo M. Cabrer , Luca Spada

Recently in \cite{FM, FlMo}, the language of MV-algebras was extended by adding a unary operation, an internal operator, called also a state-operator. In \cite{DD1}, a stronger version of state MV-algebras, called state-morphism MV-algebras…

Functional Analysis · Mathematics 2010-06-11 Antonio Di Nola , Anatolij Dvurecenskij , Ada Lettieri

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…

General Topology · Mathematics 2014-12-09 Elza Ivanova-Dimova

In these notes we study the class of divisible MV-algebras inside the algebraic hierarchy of MV-algebras with product. We connect divisible MV-algebras with $\mathbb Q$-vector lattices, we present the divisible hull as a categorical…

Logic · Mathematics 2016-11-03 Serafina Lapenta , Ioana Leustean

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…

General Topology · Mathematics 2018-04-11 Guram Bezhanishvili , Patrick J. Morandi , Bruce Olberding

An {\em MV-pair} is a pair $(B,G)$ where $B$ is a Boolean algebra and $G$ is a subgroup of the automorphism group of $B$ satisfying certain conditions. Let $\sim_G$ be the equivalence relation on $B$ naturally associated with $G$. We prove…

Rings and Algebras · Mathematics 2011-12-20 Gejza Jenca

In "A new proof of the completeness of the Lukasiewicz axioms"} (Transactions of the American Mathematical Society, 88) C.C. Chang proved that any totally ordered $MV$-algebra $A$ was isomorphic to the segment $A \cong \Gamma(A^*, u)$ of a…

Logic · Mathematics 2014-08-06 Eduardo J. Dubuc , Yuri A. Poveda

In this paper, some properties and applications of MV-algebras are provided. We define a Fibonacci sequence in an MV-algebra and we prove that such a stationary sequence gives us an idempotent element. Taking into account of the…

Rings and Algebras · Mathematics 2020-01-14 Cristina Flaut

The first system of many-valued logic was introduced by J. Lukasiewicz, his motivation was of philosophical nature as he was looking for an interpretation of the concepts of possibility and necessity. Since then, plenty of research has been…

Logic · Mathematics 2012-04-20 A. V. Figallo , I. Pascual y A. Ziliani

It is proved that the category $\mathbb{EM}$ of extended multisets is dually equivalent to the category $\mathbb{CHMV}$ of compact Hausdorff MV-algebras with continuous homomorphisms, which is in turn equivalent to the category of complete…

Logic · Mathematics 2017-06-12 Jean B. Nganou

We provide a new proof of the super duality equivalence between infinite-rank parabolic BGG categories of general linear Lie (super) algebras conjectured by Cheng and Wang and first proved by Cheng and Lam. We do this by establishing a new…

Representation Theory · Mathematics 2017-12-05 Christopher Leonard

In this paper we introduce the concept of MV-topology, a special class of fuzzy topological spaces, and prove a proper extension of Stone Duality to the categories of limit cut complete MV-algebras and Stone MV-spaces, namely,…

Logic · Mathematics 2015-11-13 Ciro Russo
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