Non-associative Structures, Yang–Baxter Equations and Related Topics

A special issue of Axioms (ISSN 2075-1680). This special issue belongs to the section "Algebra and Number Theory".

Deadline for manuscript submissions: closed (31 May 2021) | Viewed by 11296

Special Issue Editor

Special Issue Information

Dear Colleagues,

Non-associative algebra is receiving more and more attention these days (as a revived research direction). There are two important classes of non-associative structures (Lie structures and Jordan structures), and the attempts to unify (non-)associative structures have led to new, interesting results.

The Yang–Baxter equation first appeared in theoretical physics in a paper by the Nobel laureate C.N. Yang (in 1968) and in statistical mechanics in R.J. Baxter's work (1971). It turned out that this equation plays a crucial role in quantum groups, knot theory, braided categories, analysis of integrable systems, quantum mechanics, non-commutative descent theory, quantum computing, non-commutative geometry, etc.

Contributions related to non-associative algebra and/or to Yang–Baxter equations, solutions to open problems proposed in our previous Special Issues, and related research are warmly invited for consideration for this Special Issue.

Dr. Florin Felix Nichita
Guest Editor

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Keywords

  • Yang–Baxter equations
  • non-associative structure
  • Jordan algebra
  • Hopf algebra
  • associative algebra
  • Lie (co)algebras
  • braces
  • applications and open problems

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Published Papers (5 papers)

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Research

21 pages, 342 KiB  
Article
Torsion for Homological Complexes of Nonassociative Algebras with Metagroup Relations
by Sergey Victor Ludkowski
Axioms 2021, 10(4), 319; https://doi.org/10.3390/axioms10040319 - 25 Nov 2021
Cited by 5 | Viewed by 1805
Abstract
The article is devoted to homological complexes and modules over nonassociative algebras with metagroup relations. Smashed tensor products of them are studied. Their torsions and homomorphisms are investigated. Full article
10 pages, 272 KiB  
Article
On the Colored and the Set-Theoretical Yang–Baxter Equations
by Laszlo Barna Iantovics and Florin Felix Nichita
Axioms 2021, 10(3), 146; https://doi.org/10.3390/axioms10030146 - 2 Jul 2021
Cited by 7 | Viewed by 1929
Abstract
This paper is related to several articles published in AXIOMS, SCI, etc. The main concepts of the current paper are the colored Yang–Baxter equation and the set-theoretical Yang–Baxter equation. The Euler formula, colagebra structures, and means play an important role in our study. [...] Read more.
This paper is related to several articles published in AXIOMS, SCI, etc. The main concepts of the current paper are the colored Yang–Baxter equation and the set-theoretical Yang–Baxter equation. The Euler formula, colagebra structures, and means play an important role in our study. We show that some new solutions for a certain system of equations lead to colored Yang–Baxter operators, which are related to an Euler formula for matrices, and the set-theoretical solutions to the Yang–Baxter equation are related to means. A new coalgebra is obtained and studied. Full article
8 pages, 254 KiB  
Article
Unification Theories: Means and Generalized Euler Formulas
by Radu Iordanescu, Florin Felix Nichita and Ovidiu Pasarescu
Axioms 2020, 9(4), 144; https://doi.org/10.3390/axioms9040144 - 20 Dec 2020
Cited by 5 | Viewed by 2365
Abstract
The main concepts in this paper are the means and Euler type formulas; the generalized mean which incorporates the harmonic mean, the geometric mean, the arithmetic mean, and the quadratic mean can be further generalized. Results on the Euler’s formula, the (modified) Yang–Baxter [...] Read more.
The main concepts in this paper are the means and Euler type formulas; the generalized mean which incorporates the harmonic mean, the geometric mean, the arithmetic mean, and the quadratic mean can be further generalized. Results on the Euler’s formula, the (modified) Yang–Baxter equation, coalgebra structures, and non-associative structures are also included in the current paper. Full article
5 pages, 445 KiB  
Article
Some Inequalities for Convex Sets
by George Tsintsifas
Axioms 2020, 9(3), 111; https://doi.org/10.3390/axioms9030111 - 17 Sep 2020
Viewed by 2157
Abstract
The paper concerns inequalities between fundamental quantities as area, perimeter, diameter and width for convex plane fugures. Full article
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6 pages, 216 KiB  
Article
On the Product Rule for the Hyperbolic Scator Algebra
by Jan L. Cieśliński and Artur Kobus
Axioms 2020, 9(2), 55; https://doi.org/10.3390/axioms9020055 - 19 May 2020
Cited by 5 | Viewed by 2071
Abstract
Scator set, introduced by Fernández-Guasti and Zaldívar, is endowed with a very peculiar non-distributive product. In this paper we consider the scator space of dimension 1 + 2 and the so called fundamental embedding which maps the subset of scators with non-zero scalar [...] Read more.
Scator set, introduced by Fernández-Guasti and Zaldívar, is endowed with a very peculiar non-distributive product. In this paper we consider the scator space of dimension 1 + 2 and the so called fundamental embedding which maps the subset of scators with non-zero scalar component into 4-dimensional space endowed with a natural distributive product. The original definition of the scator product is induced in a straightforward way. Moreover, we propose an extension of the scator product on the whole scator space, including all scators with vanishing scalar component. Full article
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