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This paper studies certain relations among vertex algebras, vertex Lie algebras and vertex Poisson algebras. In this paper, the notions of vertex Lie algebra (conformal algebra) and vertex Poisson algebra are revisited and certain general…

Quantum Algebra · Mathematics 2007-05-23 Haisheng Li

In finite group theory, studying the prime graph of a group has been an important topic for almost the past half-century. Recently, prime graphs of solvable groups have been characterized in graph theoretical terms only. This now allows the…

Combinatorics · Mathematics 2020-11-19 Chris Florez , Jonathan Higgins , Kyle Huang , Thomas Michael Keller , Dawei Shen

This article introduces the idea of implicative filters in quasi ordered RL-Wajsberg algebras and uses examples to explore some of its features.

Rings and Algebras · Mathematics 2023-11-14 V. Nirmala , V. Vijayalakshmi , R. Shanmugapriya

An MV-module is an MV-algebra endowed with a scalar multiplication with scalars in a PMV-algebra (i.e. an MV-algebra endowed with a binary "ring-like" product). We investigate the class of semisimple MV-modules over a semisimple and totally…

Logic · Mathematics 2015-04-28 Serafina Lapenta

In the last decade, interest in projective MV-algebras has grown greatly; see [1], [5] e [6]. In this paper we establish a necessary and sufficient condition for n elements of the free n-generator MV-algebra to generate a projective…

Rings and Algebras · Mathematics 2014-11-17 Francesco Lacava , Donatop Saeli

We deal with the existing problem of filtered multiplicative bases of finite-dimensional associative algebras. For an associative algebra A over a field, we investigate when the property of having a filtered multiplicative basis is…

Rings and Algebras · Mathematics 2014-10-02 V. Bovdi , A. Grishkov , S. Siciliano

In this article, we define the notion of a filtration and then give the basic theorems on initial and progressive enlargements of filtrations.

Probability · Mathematics 2007-12-06 Delia Coculescu , Ashkan Nikeghbali

The survey is devoted to the combinatorial and metric theory of filtrations, i.\,e., decreasing sequences of $\sigma$-algebras in measure spaces or decreasing sequences of subalgebras of certain algebras. One of the key notions, that of…

Dynamical Systems · Mathematics 2017-08-02 Anatoly Vershik

For the algebra $A$ in the title, its prime, primitive and maximal spectra are classified. The group of automorphisms of $A$ is determined. The simple unfaithful $A$-modules and the simple weight $A$-modules are classified.

Rings and Algebras · Mathematics 2015-09-17 V. V. Bavula , T. Lu

We define the probability of an equation in a finite algebra as the proportion of tuples in its domain that satisfy it. We call the probabilistic spectrum of an algebra the set of probability values obtained when the equation varies. We…

Logic · Mathematics 2026-04-10 Carles Cardó

In this paper we study prime, maximal and two--class congruences from the point of view of the relationships between them in various kinds of universal algebras, as well as their direct and inverse images through morphisms. This research…

Rings and Algebras · Mathematics 2016-07-26 Claudia Mureşan

In this paper, we introduce the concept of a (lattice) skew Hilbert algebra as a natural generalization of Hilbert algebras. This notion allows a unified treatment of several structures of prominent importance for mathematical logic, e.g.…

Logic · Mathematics 2021-05-19 Ivan Chajda , Kadir Emir , Davide Fazio , Helmut Länger , Antonio Ledda , Jan Paseka

We consider filtered or graded algebras $A$ over a field $K$. Assume that there is a discrete valuation $O_v$ of $K$ with $m_v$ its maximal ideal and $k_v:=O_v/m_v$ its residue field. Let $\Lambda$ be $O_v$-order such that $\Lambda K=A$ and…

Rings and Algebras · Mathematics 2007-05-23 Toukaiddine Petit , Freddy Van Oystaeyen

We prove a conjecture stated in a previous paper by the author about the existence of canonical filtrations for a family of vertex operator algebras in rational levels.

Representation Theory · Mathematics 2007-12-03 Minxian Zhu

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

The problem of construction of a simple one - dimensional Hamiltonian whose spectrum coincides with the set of primes is considered. We note that quasiclassically a Hamiltonian whose spectrum has the same counting function as that of the…

Mathematical Physics · Physics 2007-09-05 Sergey K. Sekatskii

We classify essential algebras whose irredundant non-refinable covers consist of primal algebras. The proof is obtained by constructing one to one correspondence between such algebras and partial orders on finite sets. Further, we prove…

Logic · Mathematics 2014-06-26 Shohei Izawa

We elaborate on the notion of a filtration of an operad defined in terms of a lattice-valued operad serving as an indexing object. That covers ordinary integer-indexed filtrations of associative algebras and operads as a special case, yet…

Rings and Algebras · Mathematics 2024-11-01 Denis Bashkirov

This note discusses a framework for the investigation of the prime spectrum of an associative algebra A that is equipped with an action of a Hopf algebra H. In particular, we study a notion of H-rationality for ideals of A and comment on a…

Rings and Algebras · Mathematics 2020-03-31 Martin Lorenz

We provide the set of filters (saturated submonoids) in a commutative monoid with a topology (like the spectrum of a ring) and study the resulting spaces.

General Topology · Mathematics 2007-05-23 Holger Brenner