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In this paper, using some aspects of convex functions, we refine discrete Jensen's inequality via weight functions. Then, using these results, we give some applications in different abstract spaces and obtain some new interesting…

数值分析 · 数学 2007-05-23 Jamal Rooin

We introduce and investigate the concept of harmonical $h$-convexity for interval-valued functions. Under this new concept, we prove some new Hermite-Hadamard type inequalities for the interval Riemann integral.

综合数学 · 数学 2020-02-10 Dafang Zhao , Tianqing An , Guoju Ye , Delfim F. M. Torres

We present a new, very short proof of a conjecture by I. Ra\c{s}a, which is an inequality involving basic Bernstein polynomials and convex functions. It was affirmed positively very recently by J. Mrowiec, T. Rajba and S. W\k{a}sowicz…

经典分析与常微分方程 · 数学 2017-08-29 Andrzej Komisarski , Teresa Rajba

We present an inequality for tensor product of positive operators on Hilbert spaces by considering the tensor product of operators as words on certain alphabets (i.e., a set of letters). As applications of the operator inequality and by a…

泛函分析 · 数学 2015-02-23 Xaixia Chang , Vehbi E. Paksoy , Fuzhen Zhang

We present a new, easy, and elementary proof of Jensen's Theorem on the uniqueness of infinity harmonic functions. The idea is to pass to a finite difference equation by taking maximums and minimums over small balls.

偏微分方程分析 · 数学 2010-03-17 Scott N. Armstrong , Charles K. Smart

In this note we prove a weighted version of the Khintchine inequalities.

概率论 · 数学 2009-09-15 Mark Veraar

In this paper we present equivalence results for several types of unbounded operator functions. A generalization of the concept equivalence after extension is introduced and used to prove equivalence and linearization for classes of…

泛函分析 · 数学 2017-09-27 Christian Engström , Axel Torshage

In this paper we present another proof of the analytic version of the Hahn-Banach theorem in terms of convex functionals.

泛函分析 · 数学 2020-03-19 Sokol Bush Kaliaj

Let $(s_n)_{n\ge 0}$ denote an indeterminate Hamburger moment sequence and let $\mathcal H=\{s_{m+n}\}$ be the corresponding positive definite Hankel matrix. We consider the question if there exists an infinite symmetric matrix $\mathcal…

经典分析与常微分方程 · 数学 2018-10-09 Christian Berg , Ryszard Szwarc

The main aim of the present note is to prove new Hadamard like integral inequalities for the product of the convex functions.

经典分析与常微分方程 · 数学 2011-08-23 Sahin Emrah Amrahov

Inequalities for norms of different versions of the geometric mean of two positive definite matrices are presented.

泛函分析 · 数学 2015-02-17 Rajendra Bhatia , Priyanka Grover

In this paper our aim is to prove some monotonicity and convexity results for the modified Struve function of the second kind by using its integral representation. Moreover, as consequences of these results, we present some functional…

经典分析与常微分方程 · 数学 2015-01-28 Árpád Baricz , Tibor K. Pogány

Two simple proofs of the triangle inequality for the Jaccard distance in terms of nonnegative, monotone, submodular functions are given and discussed.

离散数学 · 计算机科学 2016-12-09 Sven Kosub

We prove a functional extension of an exponential inequality originally proposed by Bin Zhao and proved by Xiaosheng Mou. The main result asserts that if $\alpha_1\leq \cdots\leq \alpha_n$ and $\sum_{k=1}^n \alpha_k=0$, then \[ \sum_{k=1}^n…

泛函分析 · 数学 2026-05-25 Gangsong Leng

In this paper, we prove some new inequalities of Simpson's type for functions whose derivatives of absolute values are h-convex and h-concave functions. Some new estimations are obtained. Also we give some sophisticated results for some…

经典分析与常微分方程 · 数学 2014-02-03 Mevlut Tunc , Cetin Yildiz , Alper Ekinci

In this paper we prove and discuss some new $\left( H_{p},weak-L_{p}\right) $ type inequalities of maximal operators of $T$ means with respect to Vilenkin systems with monotone coefficients. We also apply these results to prove a.e.…

综合数学 · 数学 2025-09-25 G. Tutberidze

In this paper, using blow-up analysis, we prove a singular Hardy-Morser-Trudinger inequality, and find its extremal functions. Our results extend those of Wang-Ye (Adv. Math. 2012), Yang-Zhu ( Ann. Glob. Anal. Geom. 2016), Csat\'{o}- Roy…

泛函分析 · 数学 2019-12-25 Songbo Hou

We prove an easy but interesting result about the linear independence of multiple zeta values of different weights.

数论 · 数学 2007-05-23 Sergey Zlobin

We establish the converse of Weyl's eigenvalue inequality for additive Hermitian perturbations of a Hermitian matrix.

组合数学 · 数学 2019-10-08 Yi Wang , Sainan Zheng

We present a new proof of the "arithmetic" large sieve inequality, starting from the corresponding "harmonic" inequality, which is based on an amplification idea. We show that this also adapts to give some new sieve inequality for modular…

数论 · 数学 2010-03-16 Emmanuel Kowalski