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We give a counterexample to a recently conjectured variant of the Penrose inequality.

Differential Geometry · Mathematics 2026-04-30 Sven Hirsch , Yipeng Wang

In this paper, we describe a congruence property of solvable polynomials with coefficients in the Gaussian field Q(i).

Number Theory · Mathematics 2023-10-17 Nicholas Phat Nguyen

We prove in this note one weight norm inequalities for some positive Bergman-type operators.

Classical Analysis and ODEs · Mathematics 2019-02-26 Benoît F. Sehba

A high order linear $q$-difference equation with polynomial coefficients having $q$-Hahn multiple orthogonal polynomials as eigenfunctions is given. The order of the equation is related to the number of orthogonality conditions that these…

Classical Analysis and ODEs · Mathematics 2017-03-24 Jorge Arvesú Carballo , Chiara Esposito

We prove a Bernstein inequality for vector-valued self-normalized martingales. We first give an alternative perspective of the corresponding sub-Gaussian bound due to Abbasi-Yadkori et al. via a PAC-Bayesian argument with Gaussian priors.…

Probability · Mathematics 2025-01-07 Ingvar Ziemann

Gaussian binomial coefficients are q-analogues of the binomial coefficients of integers. On the other hand, binomial coefficients have been extended to finite words, i.e., elements of the finitely generated free monoids. In this paper we…

Combinatorics · Mathematics 2024-11-25 Antoine Renard , Michel Rigo , Markus A. Whiteland

We discuss invariants in equivariant birational geometry.

Algebraic Geometry · Mathematics 2026-03-02 Andrew Kresch , Yuri Tschinkel

We discuss several classical and recent proofs of the isoperimetric inequality and the Sobolev inequality.

Differential Geometry · Mathematics 2024-02-09 Simon Brendle , Michael Eichmair

Interpretations for the q-binomial coefficient evaluated at -q are discussed. A (q,t)-version is established, including an instance of a cyclic sieving phenomenon involving unitary spaces.

Combinatorics · Mathematics 2011-08-25 Shishuo Fu , Victor Reiner , Dennis Stanton , Nathaniel Thiem

Bernoulli type inequalities for functions of logarithmic type are given. These functions include, in particular, Gaussian hypergeometric functions in the zero-balanced case $F(a,b;a+b;x)\,.$

Classical Analysis and ODEs · Mathematics 2016-05-30 Riku Klén , Vesna Manojlović , Slavko Simić , Matti Vuorinen

We prove some symmetric $q$-congruences.

Number Theory · Mathematics 2016-01-18 He-Xia Ni , Hao Pan

We use Brascamp-Lieb's inequality to obtain new decoupling inequalities for general Gaussian vectors, and for stationary cyclic Gaussian processes. In the second case, we use a version by Bump and Diaconis of the strong Szego limit theorem.…

Probability · Mathematics 2024-07-09 Michel Weber

We introduce a Bernstein-type inequality which serves to uniformly control quadratic forms of gaussian variables. The latter can for example be used to derive sharp model selection criteria for linear estimation in linear regression and…

Statistics Theory · Mathematics 2009-09-22 Ikhlef Bechar

We prove Gagliardo-Nirenberg inequalities on some classes of manifolds, Lie groups and graphs.

Analysis of PDEs · Mathematics 2008-04-09 Nadine Badr

This survey discusses the classical Bernstein and Markov inequalities for the derivatives of polynomials, as well as some of their extensions to general sets.

Complex Variables · Mathematics 2021-05-24 Sergei Kalmykov , Béla Nagy , Vilmos Totik

We formulate and discuss a conjecture which would extend a classical inequality of Bernstein.

Classical Analysis and ODEs · Mathematics 2010-03-08 Vilmos Komornik , Paola Loreti

In this work, we are interested by the $q$-Bessel Fourier transform with a new approach. Many important results of this $q$-integral transform are proved with a new constructive demonstrations and we establish in particular the associated…

Classical Analysis and ODEs · Mathematics 2013-02-01 Lazhar Dhaouadi

In this paper we constructed new q-extension of Bernstein polynomials. Fron those q-Berstein polynomials, we give some interesting properties and we investigate some applications related this q-Bernstein polynomials.

Number Theory · Mathematics 2015-05-19 Taekyun Kim

Gaussian polynomial, which is also known as $q$-binomial coefficient, is one of the fundamental concepts in the theory of partitions. Zeilberger provided a combinatorial proof of Gaussian polynomial, which is called Algorithm Z by Andrews…

Combinatorics · Mathematics 2025-10-10 Wenxia Qu , Wenston J. T. Zang

A new $q$-analogue of Appell polynomial sequences and their generalizations are introduced and their main characterizations are proved. As consequences new $q$-analogue of Bernoulli and Euler polynomials and numbers is introduced, their…

Classical Analysis and ODEs · Mathematics 2018-01-29 P. Njionou Sadjang