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Recently, $(\beta,\gamma)$-Chebyshev functions, as well as the corresponding zeros, have been introduced as a generalization of classical Chebyshev polynomials of the first kind and related roots. They consist of a family of orthogonal…

Classical Analysis and ODEs · Mathematics 2023-07-06 Stefano De Marchi , Giacomo Elefante , Francesco Marchetti , Jean-Zacharie Mariethoz

In this work, generalization of some inequalities for continuous $h$-synchronous ($h$-asynchronous) functions of selfadjoint linear operators in Hilbert spaces are proved.

Functional Analysis · Mathematics 2017-12-20 Mohammad W. Alomari

A generalization of Mercer inequality for h-convex function is presented. As application, a weighted generalization of triangle inequality is given.

General Mathematics · Mathematics 2018-01-08 M. W. Alomari

In this note, we present a refinement of the well-known AM-GM inequality. We use this improved inequalty to establish corresponding inequalities on Hilbert space. We also give some refinements of the Kantorovich inequality.

Functional Analysis · Mathematics 2021-11-08 Mehdi Eghbali Amlashi , Mahmoud Hassani

A decoupling type inequality for a sum of functions of Guassian vectors is established.

Probability · Mathematics 2014-06-11 Pavel G. Grigoriev , Stanislav A. Molchanov

We begin by shortly recalling a generalized mean value inequality for subharmonic functions, and two applications of it: first a weighted boundary behavior result (with some new references and remarks), and then a borderline case result to…

Analysis of PDEs · Mathematics 2007-05-23 Juhani Riihentaus

In this note a general a Cauchy-type mean value theorem for the ratio of functional determinants is offered. It generalizes Cauchy's and Taylor's mean value theorems as well as other classical mean value theorems.

Classical Analysis and ODEs · Mathematics 2017-06-29 Zsolt Páles

Famous Redheffer's inequality is generalized to a class of anti-periodic functions. We apply the novel inequality to the generalized trigonometric functions and establish several Redheffer-type inequalities for these functions.

Classical Analysis and ODEs · Mathematics 2021-12-28 Shimpei Ozawa , Shingo Takeuchi

We characterize the generalized Chebyshev polynomials of the second kind (Chebyshev-II), and then we provide a closed form of the generalized Chebyshev-II polynomials using the Bernstein basis. These polynomials can be used to describe the…

Classical Analysis and ODEs · Mathematics 2015-10-30 Mohammad A. AlQudah

The idea of the restricted mean has been used to establish a significantly improved version of Markov's inequality that does not require any new assumptions. The result immediately extends on Chebyshev's inequalities and Chernoff's bound.…

Statistics Theory · Mathematics 2023-08-09 Joan del Castillo

We establish estimates for the Lebesgue parameters of the Chebyshev Weak Thresholding Greedy Algorithm in the case of general bases in Banach spaces. These generalize and slightly improve earlier results in [9], and are complemented with…

Functional Analysis · Mathematics 2018-11-13 Pablo M. Berná , Oscar Blasco , Gustavo Garrigós , Eugenio Hernández , Timur Oikhberg

We establish a new global endpoint Sobolev inequality for measures that extends the classical theorem of Meyers-Ziemer by placing a maximal function on the right-hand side. This result has several significant consequences. It extends…

Classical Analysis and ODEs · Mathematics 2026-03-06 Simon Bortz , Kabe Moen , Andrea Olivo , Carlos Pérez , Ezequiel Rela

The generalized Young inequality on the Lorentz spaces for commutative hypergroups is introdused and an application of it is given to the theory of fractional integrals. The boundedness on the Lorentz space and the Hardy-Littlewood-Sobolev…

Functional Analysis · Mathematics 2013-07-19 Mubariz G. Hajibayov

More than a century ago, G. Kowalewski stated that for each n continuous functions on a compact interval [a,b], there exists an n-point quadrature rule (with respect to Lebesgue measure on [a,b]), which is exact for given functions. Here we…

Numerical Analysis · Mathematics 2008-10-10 Slobodanka Jankovic , Milan Merkle

The purpose of this paper is to establish several necessary and sufficient conditions to ensure the validity of a general functional inequality in terms of generalized quasi-arithmetic means. In particular cases, we consider H\"older-,…

Classical Analysis and ODEs · Mathematics 2025-11-10 Zsolt Páles , Paweł Pasteczka

In this paper our aim is to show some mean value inequalities for the modified Bessel functions of the first and second kinds. Our proofs are based on some bounds for the logarithmic derivatives of these functions, which are in fact…

Classical Analysis and ODEs · Mathematics 2011-12-06 Árpád Baricz , Saminathan Ponnusamy , Matti Vuorinen

We prove a new inequality for Gaussian processes, this inequality implies the Gordon-Chevet inequality. Some remarks on Gaussian proofs of Dvoretzky's theorem are given.

Functional Analysis · Mathematics 2009-09-25 B. Khaoulani

We show that even mild improvements of the Polya-Vinogradov inequality would imply significant improvements of Burgess' bound on character sums. Our main ingredients are a lower bound on certain types of character sums (coming from works of…

Number Theory · Mathematics 2017-06-12 Elijah Fromm , Leo Goldmakher

Using the renewal approach we prove Bernstein-like inequalities for additive functionals of geometrically ergodic Markov chains, thus obtaining counterparts of inequalities for sums of independent random variables. The coefficient in the…

Probability · Mathematics 2020-03-18 Michał Lemańczyk

In this work, an expansion of Guessab-Schmeisser two points formula for n-times differentiable functions via Fink type identity is established. Generalization of the main result for harmonic sequence of polynomials is established. Several…

Classical Analysis and ODEs · Mathematics 2017-03-07 Mohammad W. Alomari