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Related papers: A note on Mal'tsev objects

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The goal of this work is to characterize all second order difference operators of several variables that have discrete orthogonal polynomials as eigenfunctions. Under some mild assumptions, we give a complete solution of the problem.

Classical Analysis and ODEs · Mathematics 2012-04-25 Plamen Iliev , Yuan Xu

In the first half of this article we define a new weight homology functor on Voevodsky's category of effective motives, and investigate some of its properties. In special cases we recover Gillet-Soul\'e's weight homology, and Geisser's…

Algebraic Geometry · Mathematics 2014-11-24 Shane Kelly , Shuji Saito

The goal of the paper is twofold: it aims to give an extensive set of tools and bibliography towards Nowicki's conjecture both in an associative setting; it establishes a new result about Nowicki's conjecture for the free metabelian Poisson…

Rings and Algebras · Mathematics 2022-01-13 Lucio Centrone , Andre Dushimirimana , Sehmus Findik

The purpose of this note is to compare various approximation methods as applied to the inverse of the Bessel function of the first kind, in a given domain of the complex plane.

Numerical Analysis · Mathematics 2018-01-11 D. S. Karachalios , I. V. Gosea , Q. Zhang , A. C. Antoulas

An observation on Hall-Littlewood polynomials.

Combinatorics · Mathematics 2013-09-13 R. Virk

The purpose of this note is to start the systematic analysis of cofinal types of topological groups.

General Topology · Mathematics 2024-04-09 Boriša Kuzeljević , Stepan Milošević

We provide a generalization of the Phragm\'en-Lindel\"of principal of Rademacher with the aim of correcting, or at least provide a pathway to correcting, several errors appearing in the literature.

Number Theory · Mathematics 2026-01-07 Andrew Fiori

One of the variants to proof the generalized Ito-Wentzell's formula is introduced and examined in this paper. The relationship between different representations of the generalized Ito-Wentzell's formula/ is considered.

Probability · Mathematics 2015-04-22 Doobko Valeriy

These Lecture Notes are a brief introduction to the Malliavin calculus. In particular, different notions of Malliavin derivative found in the literature are considered and compared.

Probability · Mathematics 2025-02-13 Luciano Tubaro , Margherita Zanella

The main aim of this note is to derive necessary and sufficient conditions for the convergence of Fej\'er means in terms of the modulus of continuity of the Hardy spaces $H_{p},$ $\left(0<p\leq 1\right)$.

Analysis of PDEs · Mathematics 2015-01-27 L. E. Persson , G. Tephnadze

We introduce a notion of differential of a Sobolev map between metric spaces. The differential is given in the framework of tangent and cotangent modules of metric measure spaces, developed by the first author. We prove that our notion is…

Functional Analysis · Mathematics 2018-07-27 Nicola Gigli , Enrico Pasqualetto , Elefterios Soultanis

We show that, when restricted to the class of varieties that have a Taylor term, several commutator properties are definable by Maltsev conditions.

Logic · Mathematics 2022-12-13 Keith A. Kearnes

These notes are connected to a "potpourri" topics class and deal with some special cases of norms of various objects which arise in classical analysis.

Classical Analysis and ODEs · Mathematics 2007-05-23 Stephen Semmes

We study the Weyl representation of metaplectic operators associated to a symplectic matrix having no non-trivial fixed point, and justify a formula suggested in earlier work of Mehlig and Wilkinson. We give precise calculations of the…

Symplectic Geometry · Mathematics 2007-05-23 Maurice De Gosson

In this note, I try to accomplish two things. First, I fulfill Andrei Khrennikov's request that I comment on his "Vaxjo Interpretation of Quantum Mechanics," contrasting it with my own present view of the subject matter. Second, I try to…

Quantum Physics · Physics 2007-05-23 Christopher A. Fuchs

The aim of this note is to explain in which sense an axiomatic Sobolev space over a general metric measure space (\`a la Gol'dshtein-Troyanov) induces - under suitable locality assumptions - a first-order differential structure.

Functional Analysis · Mathematics 2018-07-17 Nicola Gigli , Enrico Pasqualetto

The purpose of this paper is to give some new identities for the Bernoulli, the Euler and the Genocchi numbers and polynomials.

Number Theory · Mathematics 2009-12-31 Taekyun Kim

We introduce the notion of Rota-Baxter coalgebra which can be viewed as the dual notion of Rota-Baxter algebra. We provide some concrete examples and establish various properties of this new object. We also consider comodules over…

Rings and Algebras · Mathematics 2021-10-05 Run-Qiang Jian , Jiao Zhang

The main aim of this paper is to investigate Weyl-$p$-almost periodic properties and asymptotically Weyl-$p$-almost periodic properties of convolution products. In such a way, we continue several recent research studies of ours which do…

Functional Analysis · Mathematics 2018-09-05 Vladimir E. Fedorov , Marko Kostic

This note proposes a new notion of a gradient-like vector field and discusses its implications for the theory of Stein and Weinstein structures.

Symplectic Geometry · Mathematics 2024-06-06 Kai Cieliebak