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Idempotent elements are a well-studied part of ring theory, with several identities of the idempotents in $\mathbb{Z}/m\mathbb{Z}$ already known. Although the idempotents are not closed under addition, there are still interesting additive…

环与代数 · 数学 2020-05-12 Kelly Isham , Laura Monroe

Idempotent elements play a fundamental role in ring theory, as they encode significant information about the underlying algebraic structure. In this paper, we study idempotent matrices from two perspectives. First, we analyze the partially…

环与代数 · 数学 2025-10-13 Sen-Peng Eu , Yong-Siang Lin , Wei-Liang Sun

We consider formal power series $f(z) = \omega z + a_2z^2 + \ldots \ (\omega \neq 0)$, with coefficients in a field of characteristic $0$. These form a group under the operation of composition (= substitution). We prove (Theorem 1) that…

组合数学 · 数学 2018-06-04 Marshall M. Cohen

There is a family of constructions to produce orthomodular structures from modular lattices, lattices that are M and M*-symmetric, relation algebras, the idempotents of a ring, the direct product decompositions of a set or group or…

量子代数 · 数学 2013-11-13 John Harding , Taewon Yang

It is shown the construction of a module structure [2] with universe over a set of a particular kind of mathematical proofs, the base ring of this module will be built on a maximal consistent extension of a set of propositions, this…

逻辑 · 数学 2013-07-25 Kevin Davila Castellar , Ismael Gutierrez Garcia

We study the partial orderings of the form $\langle {\mathbb P} ({\mathbb X}), \subset \rangle $, where ${\mathbb X}$ is a binary relational structure with the connectivity components isomorphic to a strongly connected structure ${\mathbb…

逻辑 · 数学 2017-09-26 Milos Kurilic

A power structure over a ring is a method to give sense to expressions of the form $(1+a_1t+a_2t^2+\ldots)^m$, where $a_i$, $i=1, 2,\ldots$, and $m$ are elements of the ring. The (natural) power structure over the Grothendieck ring of…

代数几何 · 数学 2017-05-19 Sabir M. Gusein-Zade , Ignacio Luengo , Alejandro Melle-Hernández

There are a variety of ways to associate directed or undirected graphs to a group. It may be interesting to investigate the relations between the structure of these graphs and characterizing certain properties of the group in terms of some…

群论 · 数学 2017-05-23 A. R. Moghaddamfar , S. Rahbariyan , W. J. Shi

We investigate the partial orderings of the form (P(X),\subset), where X is a countable binary relational structure and P(X) the set of the domains of its isomorphic substructures and show that if the components of X are maximally…

逻辑 · 数学 2017-09-26 Milos S. Kurilic

The power graph of a group $G$ is the graph whose vertex set is $G$ and two distinct vertices are adjacent if one is a power of the other. This paper investigates the minimal separating sets of power graphs of finite groups. For power…

组合数学 · 数学 2017-03-28 Ramesh Prasad Panda , K. V. Krishna

Characteristic properties of corings with a grouplike element are analysed. Associated differential graded rings are studied. A correspondence between categories of comodules and flat connections is established. A generalisation of the…

环与代数 · 数学 2007-05-23 Tomasz Brzezinski

Let $G$ be a simple algebraic group over the complex field $\mathbb C$, $P$ a parabolic subgroup containing $B$ its Borel subgroup, $P'$ its derived group and $\mathfrak m$ the Lie algebra of its nilradical. The nilfibre $\mathscr N$ for…

表示论 · 数学 2025-11-11 Yasmine Fittouhi , Anthony Joseph

Modular structure is pervasive in many complex networks of interactions observed in natural, social and technological sciences. Its study sheds light on the relation between the structure and function of complex systems. Generally speaking,…

数据分析、统计与概率 · 物理学 2010-05-10 Alex Arenas , Javier Borge-Holthoefer , Sergio Gomez , Gorka Zamora-Lopez

This paper investigates the independence polynomials arising from iterated strong products of cycle graphs, examining their algebraic symmetries and combinatorial structures. Leveraging modular arithmetic and Galois theory, we establish…

组合数学 · 数学 2026-01-13 Todd Hildebrant

We show that every finite semilattice can be represented as an atomized semilattice, an algebraic structure with additional elements (atoms) that extend the semilattice's partial order. Each atom maps to one subdirectly irreducible…

环与代数 · 数学 2021-02-17 Fernando Martin-Maroto , Gonzalo G. de Polavieja

For a cellular algebra $\A$ with a cellular basis $\ZC$, we consider a decomposition of the unit element $1_\A$ into orthogonal idempotents (not necessary primitive) satisfying some conditions. By using this decomposition, the cellular…

表示论 · 数学 2008-05-09 Kentaro Wada

The monography examines the problem of constructing a group of automorphisms of a graph. A graph automorphism is a mapping of a set of vertices onto itself that preserves adjacency. The set of such automorphisms forms a vertex group of a…

历史与综述 · 数学 2024-07-18 Sergey Kurapov , Maxim Davidovsky

This paper introduces a new graph construction, the permutational power of a graph, whose adjacency matrix is obtained by the composition of a permutation matrix with the adjacency matrix of the graph. It is shown that this construction…

组合数学 · 数学 2019-10-29 Matteo Cavaleri , Daniele D'Angeli , Alfredo Donno

This paper presents a unified algebraic, topological, and logical framework for electrical one-port networks based on \v{S}are's $m$-theory. Within this formalism, networks are represented by $m$-words (jorbs) over an ordered alphabet,…

系统与控制 · 电气工程与系统科学 2025-10-28 Marko Orešković , Ivana Kuzmanović Ivičić , Juraj Benić , Mario Essert

The cyclotomic matrix is commonly used to arrange cyclotomic numbers in a convenient format. A natural question is whether the structure of the matrix can reflect properties of these numbers. In this article, we examine cyclotomic numbers…

环与代数 · 数学 2025-11-18 Wei-Liang Sun
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