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Related papers: A note on the Menchov-Rademacher Inequality

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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

In this paper we establish the best constant $\widetilde A_{opt}(\bar{M})$ for the Trace Nash inequality on a $n-$dimensional compact Riemannian manifold in the presence of symmetries, which is an improvement over the classical case due to…

Functional Analysis · Mathematics 2012-02-07 Athanase Cotsiolis , Nikos Labropoulos

In this work, a refinement of the Cauchy--Schwarz inequality in inner product space is proved. A more general refinement of the Kato's inequality or the so called mixed Schwarz inequality is established. Refinements of some famous numerical…

Functional Analysis · Mathematics 2020-09-07 Mohammad W. Alomari

We establish some qualitative properties of minimizers in the fractional Hardy--Sobolev inequalities of arbitrary order.

Analysis of PDEs · Mathematics 2020-09-25 Roberta Musina , Alexander I. Nazarov

In this paper, we will give a new proof for a known result of the mean square of Riemann zeta-function.

Number Theory · Mathematics 2025-04-22 An-Ping Li

Our main goal is to explicitly compute the best constant for the Sobolev-type inequality involving the polyharmonic operator obtained in (Analysis and Applications 22, pp. 1417-1446, 2024). To achieve this goal, we also establish both…

Analysis of PDEs · Mathematics 2026-04-08 José Francisco de Oliveira , Jeferson Silva

We shall give a refinement of the arithmetic-geometric mean inequality.

Classical Analysis and ODEs · Mathematics 2010-08-23 Shigeru Furuichi

We give a simpler proof of a result of Holland concerning a mixed arithmetic-geometric mean inequality. We also prove a result of mixed mean inequality involving the symmetric means.

Classical Analysis and ODEs · Mathematics 2007-09-18 Peng Gao

In this work, an extension of the generalized mixed Schwarz inequality is proved. A companion of the generalized mixed Schwarz inequality is established by merging both Cartesian and Polar decompositions of operators. Based on that some…

Functional Analysis · Mathematics 2018-11-06 Mohammad W. Alomari

In this article we discuss a generalized Wirtinger inequality.

Analysis of PDEs · Mathematics 2010-05-04 Gisella Croce , Bernard Dacorogna

We establish Hanner's inequality for arbitrarily many functions in the setting where the Rademacher distribution is replaced with higher dimensional random vectors uniform on Euclidean spheres.

Functional Analysis · Mathematics 2025-01-28 Jonathan Jenkins , Tomasz Tkocz

In this paper, we introduce and prove the generalizations of Radon inequality. The proofs in the paper unify and are simpler than those in former work. Meanwhile, we also find mathematical equivalences among the Bernoulli inequality, the…

Classical Analysis and ODEs · Mathematics 2021-07-26 Yongtao Li , Xian-Ming Gu , Jianci Xiao

We sharpen the moment comparison inequalities with sharp constants for sums of random vectors uniform on Euclidean spheres, providing a deficit term (optimal in high dimensions).

Probability · Mathematics 2026-03-05 Jacek Jakimiuk , Colin Tang , Tomasz Tkocz

In this note we give some remarks and improvements on a recent paper of us [3] about an optimization problem for the $p-$Laplace operator that were motivated by some discussion the authors had with Prof. Cianchi.

Analysis of PDEs · Mathematics 2009-01-15 Leandro Del Pezzo , Julián Fernández Bonder

Let $M$ be a complete, simply connected Riemannian manifold with negative curvature. We obtain some Moser-Trudinger inequalities with sharp constants on $M$.

Analysis of PDEs · Mathematics 2024-07-03 Qiaohua Yang , Dan Su , Yinying Kong

We revisit Hardy's inequality in the scope of regular Dirichlet forms following an analytical method. We shall give an alternative necessary and sufficient condition for the occurrence of Hardy's inequality. A special emphasis will be given…

Functional Analysis · Mathematics 2009-04-02 Nedra Belhadjrhouma , Ali BenAmor

We obtain some results related to Romanoff's theorem.

Number Theory · Mathematics 2023-09-26 Artyom Radomskii

Let S_n:=a_1\vp_1+...+a_n\vp_n, where \vp_1,...,\vp_n are independent Rademacher random variables (r.v.'s) and a_1,...,a_n are any real numbers such that a_1^2+...+a_n^2=1. Let Z be a standard normal r.v. It is proved that the best constant…

Probability · Mathematics 2008-03-14 Iosif Pinelis

In this paper, new improvement of celebrated H\"older inequality by means of isotonic linear functionals is established. An important feature of the new inequality obtained in here is that many existing inequalities related to the H\"older…

General Mathematics · Mathematics 2019-03-01 İmdat İşcan

Some extensions of an inequality from IMO'2001 are proven by means of the Lagrange multiplier criterion.

History and Overview · Mathematics 2007-05-23 Oleg Mushkarov , Nikolai Nikolov