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In this paper we obtain a generalization of some integral inequalities related to Chebyshev`s functional by using a generalized Katugampola fractional integral.

General Mathematics · Mathematics 2019-09-17 Tariq A. Al-Jaaidi , Deepak B. Pachpatte

In this paper, using generalized k-fractional integral operator (in terms of the Gauss hypergeometric function), we establish new results on generalized k-fractional integral inequalities by considering the extended Chebyshev functional in…

Classical Analysis and ODEs · Mathematics 2016-07-19 Vaijanth L. Chinchane

The Chebyshev polynomials are utilized in this study to define the subclass of the bi-univalent function. Also, Chebyshev polynomial bounds and Fekete-Szego inequalities for functions defined in the classes are established.

Complex Variables · Mathematics 2022-09-20 G. M. Birajdar , N. D. Sangle

In this paper, a comprehensive subclass of bi-univalent functions class are introduced and investigated. Using the Faber polynomials, estimation of the coefficients $|a_n|$ and certain Fekete-Szeg\"{o} inequality of Maclaurin expansion of…

Complex Variables · Mathematics 2022-02-25 S. A. Saleh , Alaa H. El-Qadeem , Mohamed A. Mamon

We generalize Polya-Szego inequality to integrands depending on $u$ and its gradient. Under minimal additional assumptions, we establish equality cases in this generalized inequality. We also give relevant applications of our study to a…

Analysis of PDEs · Mathematics 2010-02-18 Hichem Hajaiej , Marco Squassina

The transformations of functions acting on sublevel sets that satisfy a P\'olya-Szeg\H{o} inequality are characterized as those being induced by transformations of sets that do not increase the associated capacity.

Functional Analysis · Mathematics 2014-11-11 Jean Van Schaftingen

In this paper we study an interpolation problem involving the Fekete--Szeg\"{o} functional. It turns out that this problem links to the so-called filtration of infinitesimal generators. We introduce new filtration classes using the…

Complex Variables · Mathematics 2021-11-09 Mark Elin , Fiana Jacobzon , Nikola Tuneski

In this paper, we mainly study the order of $q$-starlikeness of the well-known basic hypergeometric function. In addition, we obtain the Bieberbach-type problem for a generalized class of starlike functions. We also discuss the…

Complex Variables · Mathematics 2018-09-11 Sarita Agrawal

In the present paper, the new generalized classes of (p,q)-starlike and $(p,q)$-convex functions are introduced by using the (p,q)-derivative operator. Also, the (p,q)-Bernardi integral operator for analytic function is defined in an open…

General Mathematics · Mathematics 2019-12-12 Nusrat Raza , Eman S. A. AbuJarad , Gautam Srivastava , H. M. Srivastava , Mohammed H AbuJarad

An affine rearrangement inequality is established which strengthens and implies the recently obtained affine P\'olya--Szeg\"o symmetrization principle for functions on $\mathbb{R}^n$. Several applications of this new inequality are derived.…

Functional Analysis · Mathematics 2009-08-15 Christoph Haberl , Franz E. Schuster , Jie Xiao

Estimation of linear and quadratic functionals over different classes of univalent functions is one of the classical problems in geometric function theory. In this paper we solve the problem over some classes of so-called non-linear…

Complex Variables · Mathematics 2021-05-21 Mark Elin , Fiana Jacobzon

This study is an example of a solid connection between fractional analysis and inequality theory, and includes new inequalities of the P\'{o}lya-Szeg% \"{o}-Chebyshev type obtained with the help of Generalized Proportional Fractional…

General Mathematics · Mathematics 2020-06-09 Saad Ihsan Butt , Ahmet Ocak Akdemir , Alper Ekinci , Muhammad Nadeem

We generalize the well-known mean value inequality of subharmonic functions for a slightly more general function class. We also apply this generalized mean value inequality to weighted boundary behavior and nonintegrability questions of…

Classical Analysis and ODEs · Mathematics 2007-05-23 Juhani Riihentaus

We extend an operator P\'{o}lya--Szeg\"{o} type inequality involving the operator geometric mean to any arbitrary operator mean under some mild conditions. Utilizing the Mond--Pe\v{c}ari\'c method, we present some other related operator…

Functional Analysis · Mathematics 2017-09-26 D. T. Hoa , M. S. Moslehian , C. Conde , P. Zhang

In this paper our aim is to present some subordination and superordination results, by using an operator, which involves the normalized form of the generalized Bessel functions of first kind. These results are obtained by investigating some…

Complex Variables · Mathematics 2016-11-26 Arpad Baricz , Erhan Deniz , Murat Caglar , Halit Orhan

In this paper, we introduce a subclass of p-valent non-bazilavec functions of order. Some subordination relations and the inequality properties of p-valent functions are discussed. The results presented here generalize and improve some…

Complex Variables · Mathematics 2019-02-27 A. A. Amourah , A. G. Alamoush , M. Darus

A P\'olya-Szeg\"o inequality for the circular rearrangement is proven, under general assumptions. In addition, sufficient conditions are given, under which all the extremals of the inequality are symmetric.

Analysis of PDEs · Mathematics 2026-05-05 F. Cagnetti , G. Domazakis , M. Perugini , F. Seuffert

We consider the Polya--Szeg\"o type weighted inequality. We prove this inequality for monotone rearrangement and for Steiner's symmetrization.

Optimization and Control · Mathematics 2014-02-14 S. V. Bankevich , A. I. Nazarov

We give necessary and sufficient conditions for the P\'olya--Szeg\"o type inequality with variable exponent of summability.

Optimization and Control · Mathematics 2017-11-17 S. Bankevich , A. I. Nazarov

We explore inequalities on linear extensions of posets and make them effective in different ways. First, we study the Bj\"orner--Wachs inequality and generalize it to inequalities on order polynomials and their $q$-analogues via direct…

Combinatorics · Mathematics 2023-09-15 Swee Hong Chan , Igor Pak , Greta Panova