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We disprove and correct some recently obtained results regarding Montgomery identity for quantum integral operator and Ostrowski type inequalities involving convex functions.

Functional Analysis · Mathematics 2021-09-17 Andrea Aglić Aljinović , Domagoj Kovačević , Mate Puljiz

A development of an inverse first-order divided difference operator for functions of several variables is presented. Two generalized derivative-free algorithms builded up from Ostrowski's method for solving systems of nonlinear equations…

Numerical Analysis · Mathematics 2011-10-12 Miquel Grau-Sánchez , Miquel Noguera , Sergio Amat

Criteria for the fulfillment of inequalities in weighted smoothness function spaces of Besov type with Riemann-Liouville operators of natural orders on the real axis and semi-axes are found. The obtained estimates are refined under…

Functional Analysis · Mathematics 2025-03-19 Elena P. Ushakova

The main purpose of this paper is to establish some isoperimetric type inequalities for mappings induced by the weighted Laplace differential operators. The obtained results of this paper provide improvements and extensions of the…

Complex Variables · Mathematics 2023-02-20 Jiaolong Chen , Shaolin Chen , Manzi Huang , Huaqing Zheng

In this paper we establish some new bounds for the companion of Ostrowski's inequality for the case when $f'\in L^1[a,b]$, $f"\in L^2[a,b]$ and $f'\in L^2[a,b]$, respectively. We point out that the results in the first and third cases are…

Functional Analysis · Mathematics 2012-05-22 Wenjun Liu

We prove a weighted version of the Hardy-Littlewood-Sobolev inequality for radially symmetric functions, and show that the range of admissible power weights appearing in the classical inequality due to Stein and Weiss can be improved in…

Classical Analysis and ODEs · Mathematics 2009-12-07 Pablo L. De Napoli , Irene Drelichman , Ricardo G. Duran

This paper studies the Hardy-type inequalities on the intervals (may be infinite) with two weights, either vanishing at two endpoints of the interval or having mean zero. For the first type of inequalities, in terms of new isoperimetric…

Probability · Mathematics 2012-06-25 Mu-Fa Chen

We establish some linear and nonlinear integral inequalities of Gronwall-Bellman-Bihari type for functions with two independent variables on general time scales. The results are illustrated with examples, obtained by fixing the time scales…

Classical Analysis and ODEs · Mathematics 2009-03-06 Rui A. C. Ferreira , Delfim F. M. Torres

In this paper weighted Dirichlet-type inequalities for the decreasing rearrangement in cylinders are proved. A weighted isoperimetric inequality is also obtained.

Analysis of PDEs · Mathematics 2026-04-27 Friedemann Brock , Francesco Chiacchio , Adele Ferone , Anna Mercaldo

In this paper, the dual Orlicz curvature measure is proposed and its basic properties are provided. A variational formula for the dual Orlicz-quermassintegral is established in order to give a geometric interpretation of the dual Orlicz…

Metric Geometry · Mathematics 2017-03-22 Baocheng Zhu , Sudan Xing , Deping Ye

We prove some integral inequalities related to Feng Qi's inequality (2000) and obtain a few corollaries.

Classical Analysis and ODEs · Mathematics 2016-11-10 Jan-David Hardtke

In the past three years, many researchers have proven and/or employed some Wirtinger-type integral inequalities to establish less conservative stability criteria for delayed continu\-ous-time systems. In this present paper, we will…

Optimization and Control · Mathematics 2015-09-18 Xian Zhang , Yuanyuan Han , Yantao Wang , Cheng Gong

We establish a weighted inequality for fractional maximal and convolution type operators, between weak Lebesgue spaces and Wiener amalgam type spaces on $ \mathbb R $ endowed with a measure which needs not to be doubling.

Classical Analysis and ODEs · Mathematics 2018-10-05 Aïssata Adama , Justin Feuto , Ibrahim Fofana

In this paper, new inequalities connected with the celebrated Steffensen's integral inequality are proved.

Classical Analysis and ODEs · Mathematics 2016-04-08 M. W. Alomari , S. Hussain , Z. Liu

We present an entropy comparison result concerning weighted sums of independent and identically distributed random variables.

Information Theory · Computer Science 2009-09-24 Yaming Yu

The classical form of Gr\"uss' inequality, first published by G. Gr\"{u}ss in 1935, gives an estimate of the difference between the integral of the product and the product of the integrals of two functions. In the subsequent years, many…

Classical Analysis and ODEs · Mathematics 2014-01-31 Heiner Gonska , Ioan Raşa , Maria-Daniela Rusu

The motive of this note is twofold. Inspired by the recent development of a new kind of Hardy inequality, here we discuss the corresponding Hardy-Rellich and Rellich inequality versions in the integral form. The obtained sharp Hardy-Rellich…

Functional Analysis · Mathematics 2025-05-14 Tohru Ozawa , Prasun Roychowdhury , Durvudkhan Suragan

Inequalities play an important role in pure and applied mathematics. In particular, Opial inequality plays a main role in the study of the existence and uniqueness of initial and boundary value problems for differential equations. It has…

Classical Analysis and ODEs · Mathematics 2022-04-22 Ana Portilla , José M. Rodríguez , José M. Sigarreta

In this paper, we derive a Reilly formula for differential forms on weighted manifolds with nonempty boundary. As an application of this formula, we prove a Poincar\'e-type inequality in the same context and explore several of its…

Differential Geometry · Mathematics 2025-12-08 Fida El Chami , Ola Makhoul

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
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