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Let $A_\tau$ denote the elliptic associator constructed by Enriquez, a power series in two non-commutative variables $a,b$ defined as an iterated integral of the Kronecker function $F_\tau$. We study a family of {\it Fay relations}…

Quantum Algebra · Mathematics 2022-05-31 Leila Schneps

A special class of orthogonal rational functions (ORFs) is presented in this paper. Starting with a sequence of ORFs and the corresponding rational functions of the second kind, we define a new sequence as a linear combination of the…

Classical Analysis and ODEs · Mathematics 2010-09-01 K. Deckers , M. J. Cantero , L. Moral , L. Velazquez

We characterise quasidiagonality of the $C^*$-algebra of a cofinal $k$-graph in terms of an algebraic condition involving the coordinate matrices of the graph. This result covers all simple $k$-graph $C^*$-algebras. In the special case of…

Operator Algebras · Mathematics 2016-05-10 Lisa Orloff Clark , Astrid an Huef , Aidan Sims

This note gives a simple approach to q-analogues of some results associated with Abel polynomials.

Combinatorics · Mathematics 2008-03-11 Johann Cigler

We study linear recurrence relations in the character solutions of $Q$-systems obtained from the Kirillov-Reshetikhin modules. We explain how known results on difference $L$-operators lead to a uniform construction of linear recurrences in…

Quantum Algebra · Mathematics 2015-06-23 Chul-hee Lee

We develop a theory of $\phi$-coordinated (quasi) modules for a nonlocal vertex algebra and we establish a conceptual construction of nonlocal vertex algebras and their $\phi$-coordinated (quasi) modules, where $\phi$ is what we call an…

Quantum Algebra · Mathematics 2010-05-28 Haisheng Li

We provide a characterization of those relation algebras which are isomorphic to the algebras of compatible relations of some $\Z_2$-set. We further prove that this class is finitely axiomatizable in first-order logic in the language of…

Logic · Mathematics 2025-04-01 Jeremy F. Alm , John W. Snow

Let $\F$ be the finite field of odd prime power order $q$, We find explicit expressions for the number of triples $\{\al-1,\al,\al+1 \}$ of consecutive non-zero squares in $\F$ and similarly for the number of triples of consecutive…

Number Theory · Mathematics 2025-08-07 Stephen D. Cohen

Let C_*(K) denote the cellular chains on the Stasheff associahedra. We construct an explicit combinatorial diagonal \Delta : C_*(K) --> C_*(K) \otimes C_*(K); consequently, we obtain an explicit diagonal on the A_\infty-operad. We apply the…

Algebraic Topology · Mathematics 2007-05-23 Samson Saneblidze , Ronald Umble

The main object of study of this paper is the notion of 3-Lie superalgebras with superderivations. We consider a representation $(\Phi,\mathcal{P})$ of a $3$-Lie superalgebra $\mathcal{Q}$ on $\mathcal{P}$ and construct first-order…

Rings and Algebras · Mathematics 2022-07-26 Nupur Nandi , Rudra Narayan Padhan

We present finitary formulations of two well known results concerning infinite series, namely Abel's theorem, which establishes that if a series converges to some limit then its Abel sum converges to the same limit, and Tauber's theorem,…

Logic · Mathematics 2019-10-18 Thomas Powell

Ehrenborg noted that all tilings of a bipartite planar graph are encoded by its cubical matching complex and claimed that this complex is collapsible. We point out to an oversight in his proof and explain why these complexes can be the…

Combinatorics · Mathematics 2019-04-09 Duško Jojić

Double planes branched in 6 lines give a famous example of K3 surfaces. Their moduli are well understood and related to abelian fourfolds of Weil type. We compare these two moduli interpretations and in particular divisors on the moduli…

Algebraic Geometry · Mathematics 2013-04-10 Giuseppe Lombardo , Chris Peters , Matthias Schuett

The $\mathrm{A}_2$ Bailey chain of Andrews, Schilling and the author is extended to a four-parameter $\mathrm{A}_2$ Bailey tree. As main application of this tree, we prove the Kanade-Russell conjecture for a three-parameter family of…

Combinatorics · Mathematics 2025-02-25 S. Ole Warnaar

We prove that for an endomorphism $f$ of an abelian manifold defined over an algebraically closed field of arbitrary characteristic, $ \chi_ {2q} (f) = \lambda_q (f) $. Note that this paper is based on recent results due to Fei Hu…

Dynamical Systems · Mathematics 2020-01-27 Armand Azonnahin

Recently there were presented several proposals how to formulate the binary relations describing kappa-deformed oscillator algebras. In this paper we shall consider multilinear products of kappa-deformed oscillators consistent with the…

High Energy Physics - Theory · Physics 2015-05-18 Jerzy Lukierski , Mariusz Woronowicz

An equivalence between Lu's bialgebroids, Xu's bialgebroids with an anchor and Takeuchi's $\times_{A}$-bialgebras is explicitly proven. A new class of examples of bialgebroids is constructed. A (formal) dual of a bialgebroid, termed…

Quantum Algebra · Mathematics 2007-05-23 Tomasz Brzezinski , Gigel Militaru

Let $f(x)$ be a monic polynomial over $\mathbb{Q}$ with complex roots $\alpha_1,\dots,\alpha_n$. Linear relations among them and $1$ over $\mathbb{Q}$ play an important role when we study the distribution of roots modulo a prime. We study…

Number Theory · Mathematics 2018-10-17 Yoshiyuki Kitaoka

Building on recent work of Robertson and Steger, we associate a C*-algebra to a combinatorial object which may be thought of as a higher rank graph. This C*-algebra is shown to be isomorphic to that of the associated path groupoid.…

Operator Algebras · Mathematics 2007-05-23 Alex Kumjian , David Pask

We establish a connection between the relative Classical entropy and the relative Fermi-Dirac entropy, allowing to transpose, in the context of the Boltzmann or Landau equation, any entropy-entropy production inequality from one case to the…

Analysis of PDEs · Mathematics 2024-02-09 Thomas Borsoni
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