English
Related papers

Related papers: Fekete-Szeg\"o Problem For Generalized Bi-Subordin…

200 papers

In this short article we show a particular version of the Hedberg inequality which can be used to derive, in a very simple manner, functional inequalities involving Sobolev and Besov spaces in the general setting of Lebesgue spaces of…

Functional Analysis · Mathematics 2021-05-19 Diego Chamorro

In this paper, the concept of generalized spectral function is introduced for finite-order tridiagonal symmetric matrices (Jacobi matrices) with complex entries. The structure of the generalized spectral function is described in terms of…

Spectral Theory · Mathematics 2009-02-17 Gusein Sh. Guseinov

In this survey we present the fractional Polya Szego principle and its main consequences in the study of nonlocal functional inequalities. In particular, we show how symmetrization methods work also in the fractional setting and yield sharp…

Analysis of PDEs · Mathematics 2025-11-12 Alessandro Carbotti

We consider generalizations of classical function spaces by requiring that a holomorphic in ${\Omega}$ function satisfies some property when we approach from ${\Omega}$, not the whole boundary, but only a part of it. These spaces endowed…

Complex Variables · Mathematics 2018-05-21 Dimitris Lygkonis , Vassilis Nestoridis

For given set of $m$ positive numbers satisfying the conditions: $$ a_1 \geq a_2 \geq , ... \geq a_m \geq 0, $$ the inequality $$ \sum_{s=1}^{m} (-1)^{s-1}a^r_s \geq \left[ \sum_{s=1}^{m} (-1)^{s-1}a_s\right]^r, \quad r > 1, $$ was proved…

Classical Analysis and ODEs · Mathematics 2024-07-22 Hailu Bikila Yadeta

In this work, a generalization of Chebyshev functional is presented. New inequalities of Gruss type via Pompeiu's mean value theorem are established. Improvements of some old inequalities are proved. A generalization of pre-Gruss inequality…

Classical Analysis and ODEs · Mathematics 2019-05-24 Mohammad W. Alomari

In the present article, our goal is finding estimates on the Taylor-Maclaurin coefficients |a2| and |a3| for a new class of bi-univalent functions defined by means of the Horadam polynomials. Fekete-Szego inequalities of functions belonging…

Complex Variables · Mathematics 2018-12-31 Adnan Ghazy AlAmoush

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 paper, we prove a discrete version of the generalized Riesz inequality on $\mathbb{Z}^d$. As a consequence, we will derive the extended Hardy-Littlewood and P\'olya-Szeg\"o inequalities. We will also establish cases of equality in…

Analysis of PDEs · Mathematics 2022-09-27 Hichem Hajaiej , Fengwen Han , Bobo Hua

We use Rogers-Szego polynomials to unify some well-known identities for Hall-Littlewood symmetric functions due to Macdonald and Kawanaka.

Combinatorics · Mathematics 2007-08-24 S. Ole Warnaar

Motivated by a partition inequality of Bessenrodt and Ono, we obtain analogous inequalities for $k$-colored partition functions $p_{-k}(n)$ for all $k\geq2$. This enables us to extend the $k$-colored partition function multiplicatively to a…

Combinatorics · Mathematics 2017-12-21 Shane Chern , Shishuo Fu , Dazhao Tang

In this paper, we present a complete spectral research of generalized Ces\`aro operators on Sobolev-Lebesgue sequence spaces. The main idea is to subordinate such operators to suitable $C_0$-semigroups on these sequence spaces. We introduce…

Functional Analysis · Mathematics 2017-04-25 Luciano Abadia , Pedro J. Miana

In the paper, we introduce the generalized convex function on fractal sets of real line numbers and study the properties of the generalized convex function. Based on these properties, we establish the generalized Jensen inequality and…

Classical Analysis and ODEs · Mathematics 2014-06-30 Huixia Mo , Xin Sui , Dongyan Yu

Motivated by previous work leveraging factorizations of second- and fourth-order differential operators, a general integral inequality involving higher order derivatives is proven by elementary means. It is then shown how this framework…

Classical Analysis and ODEs · Mathematics 2025-09-19 Bart Rosenzweig , Jonathan Stanfill

In this short article we generalize the Sobolev's inequalities for the module of continuity for the functions belonging to the classical Lebesgue space on the (Bilateral) Grand Lebesgue spaces. We construct also some examples in order to…

Functional Analysis · Mathematics 2010-06-23 Ostrovsky E. , Sirota L

Various miscellaneous functional inequalities are deduced for the so-called generalized inverse trigonometric and hyperbolic functions. For instance, functional inequalities for sums, difference and quotient of generalized inverse…

Classical Analysis and ODEs · Mathematics 2014-04-23 Árpád Baricz , Barkat Ali Bhayo , Tibor K. Pogány

The concept of generalized partial-slice monogenic functions has been recently introduced to include the two theories of monogenic functions and of slice monogenic functions over Clifford algebras. The main purpose of this article is to…

Complex Variables · Mathematics 2025-12-29 Zhenghua Xu , Irene Sabadini

This work is concerned with a P\'olya-Szeg\"o type inequality for anisotropic functionals of Sobolev functions. The relevant inequality entails a double-symmetrization involving both trial functions and functionals. A new approach that…

Functional Analysis · Mathematics 2025-01-03 Gabriele Bianchi , Andrea Cianchi , Paolo Gronchi

In this paper, we study a symmetrization that preserves the mixed volume of the sublevel sets of a convex function, under which, a P\'olya-Szeg\H o type inequality holds. We refine this symmetrization to obtain a quantitative improvement of…

Analysis of PDEs · Mathematics 2025-01-24 Alba Lia Masiello , Francesco Salerno

We establishe an affine Hardy-Littlewood-Sobolev inequality concerning two different functions which is stronger than the classical Hardy-Littlewood-Sobolev inequality. Furthermore, we also prove reverse inequalities for the new…

Functional Analysis · Mathematics 2025-08-05 Youjiang Lin , Jinghong Zhou , Jiaming Lan