Combinatorial Algebra, Computation, and Logic, 2nd Edition

A special issue of Mathematics (ISSN 2227-7390). This special issue belongs to the section "Algebra, Geometry and Topology".

Deadline for manuscript submissions: closed (30 June 2024) | Viewed by 6416

Special Issue Editors


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Guest Editor
1. Faculty of Mechanics and Mathematics, Lomonosov Moscow State University, 119991 Moscow, Russia
2. Moscow Institute of Physics and Technology, 117303 Moscow, Russia
Interests: decidability of logical theories;definability in structures word combinatorics; symbolic dynamics;almost periodic sequences definability;reducts;svenonius theorem
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
1. Department of Mathematics, Bar-Ilan University, Ramat Gan 5290002, Israel
2. Faculty of Mechanics and Mathematics, Lomonosov Moscow State University, 119991 Moscow, Russia
Interests: specht problem; dixmiere conjecture; pI-algebra; jacobian Conjecture interlocking structures; finitelly generated skew field; small cancellation.
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The combinatorics of words lies in the background of research in numerous fields of mathematics, computer science, and applications including:

  • Combinatorial theories of groups, monoids, and rings;
  • Noncommutative algebra;
  • Algebraic geometry;
  • Formal languages and automata theory;
  • Symbolic dynamics;
  • Mathematics and computer science education.

These are the major broad areas for our Special Issue. We will also include interesting topics such as definability theory, computability and algorithmic problems in algebra, the application of nonstandard analysis to quantization, and AI methods in mathematics. 

Prof. Dr. Alexei Semenov
Prof. Dr. Alexei Kanel-Belov
Guest Editors

Manuscript Submission Information

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Keywords

  • combinatorics of words
  • combinatorial ring theory
  • combinatorial group theory
  • operator algebras
  • model theory in algebraic geometry
  • algorithmic problems in algebra
  • artificial intelligence
  • mathematical education

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Published Papers (5 papers)

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Research

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26 pages, 413 KiB  
Article
Combinatorial Estimations on Burnside Type Problems
by Anton Beletskiy and Ilya Ivanov-Pogodaev
Mathematics 2024, 12(5), 665; https://doi.org/10.3390/math12050665 - 24 Feb 2024
Viewed by 702
Abstract
The Burnside problem, formulated by W. Burnside in 1902, is one of the most well-known and important open questions in the field of Group Theory. Despite significant progress made in the past century towards solving this problem, its complete solution remains unknown. In [...] Read more.
The Burnside problem, formulated by W. Burnside in 1902, is one of the most well-known and important open questions in the field of Group Theory. Despite significant progress made in the past century towards solving this problem, its complete solution remains unknown. In this paper, we investigate one of the approaches to solving the Burnside problem based on the application of an iterative theory of small cancellations and canonical forms developed by E. Rips in recent years. We present a novel self-contained exposition of this theory and utilize it to obtain new estimates on the infiniteness of initial approximations of Burnside groups where only a finite number of periodic relations is used for relatively small odd exponents (n>120). Full article
(This article belongs to the Special Issue Combinatorial Algebra, Computation, and Logic, 2nd Edition)
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11 pages, 274 KiB  
Article
Kernel Words and Gap Sequences of the Tribonacci Word on an Infinite Alphabet
by Jiemeng Zhang
Mathematics 2023, 11(20), 4356; https://doi.org/10.3390/math11204356 - 20 Oct 2023
Viewed by 766
Abstract
In this paper, we propose a nuanced variation in the kernel words of the tribonacci sequence. Our primary objective is to investigate the intrinsic properties of the kernel words and associated gap sequences when the tribonacci sequence is expanded over an infinite alphabet. [...] Read more.
In this paper, we propose a nuanced variation in the kernel words of the tribonacci sequence. Our primary objective is to investigate the intrinsic properties of the kernel words and associated gap sequences when the tribonacci sequence is expanded over an infinite alphabet. Full article
(This article belongs to the Special Issue Combinatorial Algebra, Computation, and Logic, 2nd Edition)
14 pages, 337 KiB  
Article
Graded Rings Associated with Factorizable Finite Groups
by Mohammed M. Al-Shomrani and Najla Al-Subaie
Mathematics 2023, 11(18), 3864; https://doi.org/10.3390/math11183864 - 10 Sep 2023
Viewed by 938
Abstract
Let R be an associative ring with unity, X be a finite group, H be a subgroup of X, and G be a set of left coset representatives for the left action of H on X. In this article, we introduce [...] Read more.
Let R be an associative ring with unity, X be a finite group, H be a subgroup of X, and G be a set of left coset representatives for the left action of H on X. In this article, we introduce two different ways to put R into a non-trivial G-weak graded ring that is a ring graded by the set G which is defined with a binary operation ∗ and satisfying an algebraic structure with specific properties. The first one is by choosing a subset S of G such that S is a group under the ∗ operation and putting Rt=0 for all tG and tS. The second way, which is the most important, is induced by combining the operation ∗ defined on G and the coaction of H on G. Many examples are provided. Full article
(This article belongs to the Special Issue Combinatorial Algebra, Computation, and Logic, 2nd Edition)
16 pages, 347 KiB  
Article
Construction of Quantum Codes over the Class of Commutative Rings and Their Applications to DNA Codes
by Shakir Ali, Amal S. Alali, Elif Segah Oztas and Pushpendra Sharma
Mathematics 2023, 11(6), 1430; https://doi.org/10.3390/math11061430 - 15 Mar 2023
Cited by 3 | Viewed by 1802
Abstract
Let k,m be positive integers and F2m be a finite field of order 2m of characteristic 2. The primary goal of this paper is to study the structural properties of cyclic codes over the ring [...] Read more.
Let k,m be positive integers and F2m be a finite field of order 2m of characteristic 2. The primary goal of this paper is to study the structural properties of cyclic codes over the ring Sk=F2m[v1,v2,,vk]vi2αivi,vivjvjvi, for i,j=1,2,3,,k, where αi is the non-zero element of F2m. As an application, we obtain better quantum error correcting codes over the ring S1 (for k=1). Moreover, we acquire optimal linear codes with the help of the Gray image of cyclic codes. Finally, we present methods for reversible DNA codes. Full article
(This article belongs to the Special Issue Combinatorial Algebra, Computation, and Logic, 2nd Edition)

Review

Jump to: Research

38 pages, 452 KiB  
Review
From Quantum Automorphism of (Directed) Graphs to the Associated Multiplier Hopf Algebras
by Farrokh Razavinia and Ghorbanali Haghighatdoost
Mathematics 2024, 12(1), 128; https://doi.org/10.3390/math12010128 - 30 Dec 2023
Viewed by 1168
Abstract
This is a noticeably short biography and introductory paper on multiplier Hopf algebras. It delves into questions regarding the significance of this abstract construction and the motivation behind its creation. It also concerns quantum linear groups, especially the coordinate ring of Mq [...] Read more.
This is a noticeably short biography and introductory paper on multiplier Hopf algebras. It delves into questions regarding the significance of this abstract construction and the motivation behind its creation. It also concerns quantum linear groups, especially the coordinate ring of Mq(n) and the observation that K [Mq(n)] is a quadratic algebra, and can be equipped with a multiplier Hopf ∗-algebra structure in the sense of quantum permutation groups developed byWang and an observation by Rollier–Vaes. In our next paper, we will propose the study of multiplier Hopf graph algebras. The current paper can be viewed as a precursor to this upcoming work, serving as a crucial intermediary bridging the gap between the abstract concept of multiplier Hopf algebras and the well-developed field of graph theory, thereby establishing connections between them! This survey review paper is dedicated to the 78th birthday anniversary of Professor Alfons Van Daele. Full article
(This article belongs to the Special Issue Combinatorial Algebra, Computation, and Logic, 2nd Edition)
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