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A variety of norm inequalities related to Bergman and Dirichlet spaces induced by radial weights are considered. Some of the results obtained can be considered as generalizations of certain known special cases while most of the estimates…

Complex Variables · Mathematics 2026-02-10 Fernando Pérez-González , Jouni Rättyä , Toni Vesikko

A counterpart of the famous Bessel's inequality for orthornormal families in real or complex inner product spaces is given. Applications for some Gruss type inequalities are also provided.

Classical Analysis and ODEs · Mathematics 2007-05-23 Sever Silvestru Dragomir

In this present paper, we establish the log-convexity and Tur\'an type inequalities of extended $(p,q)$-beta functions. Also, we present the log-convexity, the monotonicity and Tur\'an type inequalities for extended $(p,q)$-confluent…

Classical Analysis and ODEs · Mathematics 2018-02-27 S. Mubeen , K. S. Nisar , G. Rahman , M. Arshad

A new counterpart of Bessel's inequality for orthornormal families in real or complex inner product spaces is obtained. Applications for some Gruss type results are also provided.

Classical Analysis and ODEs · Mathematics 2009-09-29 Sever Silvestru Dragomir

New index transforms, involving the square of Bessel functions of the first kind as the kernel are considered. Mapping properties such as the boundedness and invertibility are investigated for these operators in the Lebesgue spaces.…

Classical Analysis and ODEs · Mathematics 2015-10-20 Semyon Yakubovich

In this paper, we establish several improved Caffarelli-Kohn-Nirenberg and Hardy-type inequalities. Our main results are divided into two parts. In the first part, we consider the following Caffarelli-Kohn-Nirenberg inequality:…

Analysis of PDEs · Mathematics 2026-01-23 Yuxuan Zhou , Wenming Zou

The bounds for the ratios of first and second kind modified Bessel functions of consecutive orders are important quantities appearing in a large number of scientific applications. We obtain new bounds which are accurate in a large region of…

Classical Analysis and ODEs · Mathematics 2016-06-08 D. Ruiz-Antolin , J. Segura

In this paper we study the Dini functions and the cross-product of Bessel functions. Moreover, we are interested on the monotonicity patterns for the cross-product of Bessel and modified Bessel functions. In addition, we deduce…

Classical Analysis and ODEs · Mathematics 2021-01-19 Árpád Baricz , Saminathan Ponnusamy , Sanjeev Singh

This paper deals with both the higher order Tur\'an inequalities and the Laguerre inequalities for quasi-polynomial-like functions -- that are expressions of the form $f(n)=c_l(n)n^l+\cdots+c_d(n)n^d+o(n^d)$, where $d,l\in\mathbb{N}$ and…

Combinatorics · Mathematics 2023-10-24 Krystian Gajdzica

In this paper, an extension of the generalized free matrix based inequality is introduced in a unified form suitable for the estimation of integrals and sums of quadratic functions. The equivalences of several known variants are shown,…

Optimization and Control · Mathematics 2017-03-20 Eva Gyurkovics , Tibor Takacs

New results related to the Boas-Bellman generalisation of Bessel's inequality in inner product spaces are given.

Classical Analysis and ODEs · Mathematics 2007-05-23 Sever Silvestru Dragomir

A symmetrization techique, introduced by Cianchi, Fusco, Maggi and Pratelli concerning the Sobolev inequality, is adapted to the Gagliardo-Nirenberg-Sobolev inequality (GNS) to obtain a reduction step of the problem of showing its…

Analysis of PDEs · Mathematics 2014-03-14 Berardo Ruffini

In this paper, the versions of trigonometric functions of certain known inequalities for hyperbolic ones are proved, and then corresponding inequalities for means are presented.

Classical Analysis and ODEs · Mathematics 2013-04-22 Zhen-Hang Yang

The aim of this work is to analyze general infinite sums containing modified Bessel functions of the second kind. In particular we present a method for the construction of a proper asymptotic expansion for such series valid when one of the…

Mathematical Physics · Physics 2015-10-14 Guglielmo Fucci , Klaus Kirsten

New index transforms are investigated, which contain as the kernel products of the Bessel and modified Bessel functions. Mapping properties and invertibility in Lebesgue spaces are studied for these operators. Relationships with the…

Classical Analysis and ODEs · Mathematics 2015-09-08 Semyon Yakubovich

In this paper we study the inverse of the eigenfunction $\sin_p$ of the one-dimensional $p$-Laplace operator and its dependence on the parameter $p$, and we present a Tur\'an type inequality for this function. Similar inequalities are given…

Classical Analysis and ODEs · Mathematics 2017-07-14 Árpád Baricz , Barkat Ali Bhayo , Matti Vuorinen

The paper aims to establish the Tur\'an inequalities, the Laguerre inequalities (order $2$), and the determinantal inequalities (order $3$) for $\Delta p(n)$ and $\Delta \bar{p}(n)$, where $\Delta f(n)$ is the first-order forward difference…

Combinatorics · Mathematics 2023-12-19 Eve Y. Y. Yang

Sharp Moser-Trudinger type inequalities and their extremal functions play an important role in studying nonlinear PDEs and geometry. We establish a new sharp Moser-Trudinger type inequality in the upper half space in two dimensions and…

Analysis of PDEs · Mathematics 2025-01-07 Yubo Ni

In this paper, we study Bessel operators and Bessel Laplace equations studied by Weinstein, Huber, and related the harmonic function theory introduced by Muckenhoupt--Stein. We establish the Moser type inequality for these harmonic…

Analysis of PDEs · Mathematics 2016-07-15 Xuan Thinh Duong , Zihua Guo , Ji Li , Dongyong Yang

In this paper, we establish some inequalities for rational functions with prescribed poles having s-fold zeros at origin and also show that it implies some inequalities for polynomials and their polar derivatives.

Complex Variables · Mathematics 2025-02-24 Preeti Gupta