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Related papers: More results on weighted means

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We define a generalized dyadic maximal operator involving the infinite product and discuss weighted inequalities for the operator. A formulation of the Carleson embedding theorem is proved. Our results depend heavily on a generalized…

Classical Analysis and ODEs · Mathematics 2014-04-29 Wei Chen , Ruijuan Chen , Chao Zhang

We offer new proofs, refinements as well as new results related to classical means of two variables, including the identric and logarithmic means.

Classical Analysis and ODEs · Mathematics 2015-03-23 József Sándor , Barkat Ali Bhayo

We prove a very general sharp inequality of the H\"older--Young--type for functions defined on infinite dimensional Gaussian spaces. We begin by considering a family of commutative products for functions which interpolates between the…

Probability · Mathematics 2015-04-24 Paolo Da Pelo , Alberto Lanconelli , Aurel I. Stan

We establish a reverse inequality for Tsallis relative operator entropy involving a positive linear map. In addition, we present converse of Ando's inequality, for each parameter. We give examples to compare our results with the known…

Functional Analysis · Mathematics 2018-11-16 H. R. Moradi , S. Furuichi

In the paper, the authors review several refinements of Young's integral inequality via several mean value theorems, such as Lagrange's and Taylor's mean value theorems of Lagrange's and Cauchy's type remainders, and via several fundamental…

Classical Analysis and ODEs · Mathematics 2020-12-23 Feng Qi , Wen-Hui Li , Guo-Sheng Wu , Bai-Ni Guo

We develop a unified strategy to obtain the geometric logarithmic Hardy inequality on any open set M of a stratified group, provided the validity of the Hardy inequality in this setting, where the so-called "weight" is regarded to be any…

Functional Analysis · Mathematics 2024-02-19 Marianna Chatzakou

For indices p and q, 1 < p <= q < infini and a linear operator L satisfying some weak-type boundedness conditions on suitable function spaces, we give in the Dunkl setting sufficient conditions on nonnegative pairs of weight functions to…

Analysis of PDEs · Mathematics 2013-11-05 Chokri Abdelkefi , Mongi Rachdi

Fourier series in orthogonal polynomials with respect to a measure $\nu$ on $[-1,1]$ are studied when $\nu$ is a linear combination of a generalized Jacobi weight and finitely many Dirac deltas in $[-1,1]$. We prove some weighted norm…

Classical Analysis and ODEs · Mathematics 2010-10-12 José J. Guadalupe , Mario Pérez , Francisco J. Ruiz , Juan Luis Varona

We revisit the properties of Bessel-Riesz operators and refine the proof of the boundedness of these operators on generalized Morrey spaces using Young's inequality. We also obtain an estimate for the norm of these operators on generalized…

Analysis of PDEs · Mathematics 2018-02-20 Mochammad Idris , Hendra Gunawan , Eridani

Let $e^{-tL}$ be a analytic semigroup generated by $-L$, where $L$ is a non-negative self-adjoint operator on $L^2(\mathbb{R}^d)$. Assume that the kernels of $e^{-tL}$, denoted by $p_t(x,y)$, only satisfy the upper bound: for all $N>0$,…

Classical Analysis and ODEs · Mathematics 2025-03-04 Yongming Wen , Huoxiong Wu

We give weighted norm inequalities for the maximal fractional operator $ \mathcal M_{q,\beta}$ of Hardy-Littlewood and the fractional integral $I_{\gamma}$. These inequalities are established between $(L^{q},L^{p}) ^{\alpha}(X,d,\mu)$…

Classical Analysis and ODEs · Mathematics 2009-01-28 Justin Feuto , Ibrahim Fofana , Konin Koua

This note contributes to the understanding of generalized entropy power inequalities. Our main goal is to construct a counter-example regarding monotonicity and entropy comparison of weighted sums of independent identically distributed…

Information Theory · Computer Science 2021-10-20 Mokshay Madiman , Piotr Nayar , Tomasz Tkocz

In this paper, we compute universal inequalities of eigenvalues of a large class of second-order elliptic differential operators in divergence form, that includes, e.g., the Laplace and Cheng-Yau operators, on a bounded domain in a complete…

Differential Geometry · Mathematics 2023-06-28 Cristiano S. Silva , Juliana F. R. Miranda , Marcio C. Araújo Filho

In this paper we obtain logarithmic Hardy and Rellich inequalities on general Lie groups. In the case of graded groups, we also show their refinements using the homogeneous Sobolev norms. In fact, we derive a family of weighted logarithmic…

Analysis of PDEs · Mathematics 2021-07-13 Marianna Chatzakou , Aidyn Kassymov , Michael Ruzhansky

Recently, the spectral geometric mean has been studied by some papers. In this paper, we firstly estimate the H\"{o}lder type inequality of the spectral geometric mean of positive invertible operators on the Hilbert space for all real order…

Functional Analysis · Mathematics 2024-12-17 Shigeru Furuichi , Yuki Seo

In this paper we prove mixed inequalities for the maximal operator $M_\Phi$, for general Young functions $\Phi$ with certain additional properties, improving and generalizing some previous estimates for the Hardy-Littlewood maximal operator…

Classical Analysis and ODEs · Mathematics 2019-04-02 Fabio Berra , Marilina Carena , Gladis Pradolini

In this paper, we obtain a new class of functions, which is developed via the Hermite--Hadamard inequality for convex functions. The well-known one-one correspondence between the class of operator monotone functions and operator connections…

Functional Analysis · Mathematics 2021-07-23 R. Pal , M. Singh , M. S. Moslehian , J. S. Aujla

We establish sharp convolution and multiplication estimates in weighted Lebesgue, Fourier Lebesgue and modulation spaces. Especially we recover some known results.

Functional Analysis · Mathematics 2013-01-28 Joachim Toft , Karoline Johansson , Stevan Pilipovic , Nenad Teofanov

We extend the notion of the determinant function $\Lambda$, originally introduced by T.Fack for $\tau$-compact operators, to a natural algebra of $\tau$-measurable operators affiliated with a semifinite von Neumann algebra which coincides…

Functional Analysis · Mathematics 2019-10-25 Peter Dodds , Theresa Dodds , Fedor Sukochev , Dmitriy Zanin

The aim of this paper is to study the Harnack type logarithmic submajorisation and Fuglede-Kadison determinant inequalities for operators in a finite von Neumann algebra. In particular, the Harnack type determinant inequalities due to…

Functional Analysis · Mathematics 2020-05-12 Yazhou Han , Cheng Yan