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We consider the class of non-Hermitian operators represented by infinite tridiagonal matrices, selfadjoint in an indefinite inner product space with one negative square. We approximate them with their finite truncations. Both infinite and…

数学物理 · 物理学 2016-08-08 Maxim Derevyagin , Luca Perotti , Michal Wojtylak

In this article, we obtain two interesting general inequalities concerning Riemman sums of convex functions, which in particular, sharpen Alzer's inequality and give a suitable converse for it.

经典分析与常微分方程 · 数学 2007-10-22 Jamal Rooin

In this paper, we define \varphi_{h,m}-convex functions and prove some inequalities for this class.

泛函分析 · 数学 2012-05-23 M. E. Özdemir , M. Avci

In this paper, we obtain the subadditivity inequality of strongly operator convex functions on $(0, \infty)$ and $(-\infty,0)$. Applying the properties of operator convex functions, we deduce the subadditivity property of operator monotone…

泛函分析 · 数学 2024-05-10 Nahid Gharakhanlu , Mohammad Sal Moslehian

This is a survey paper concerning some theorems on stochastic convex ordering and their applications to functional inequalities for convex functions. We present the recent results on those subjects

经典分析与常微分方程 · 数学 2017-02-01 Teresa Rajba

Many trace inequalities can be expressed either as concavity/convexity theorems or as monotonicity theorems. A classic example is the joint convexity of the quantum relative entropy which is equivalent to the Data Processing Inequality. The…

泛函分析 · 数学 2022-10-25 Eric A. Carlen , Haonan Zhang

The classical Hormander's inequality for linear partial differential operators with constant coeffcients is extended to pseudodifferential operators.

偏微分方程分析 · 数学 2007-05-23 Chikh Bouzar

In this paper, we establish several inequalities for s-convex mappings that are connected with the Riemann-Liouville fractional integrals. Our results have some relationships with certain integral inequalities in the literature.

经典分析与常微分方程 · 数学 2012-01-25 M. Emin Ozdemir , Havva Kavurmaci , Cetin Yildiz

This article implements a simple convex approach and block techniques to obtain several new refined versions of numerical radius inequalities for Hilbert space operators. This includes comparisons among the norms of the operators, their…

泛函分析 · 数学 2023-02-15 Mohammad Sababheh , Cristian Conde , Hamid Reza Moradi

In this work, an operator superquadratic function (in operator sense) for positive Hilbert space operators is defined. Several examples with some important properties together with some observations which are related to the operator…

泛函分析 · 数学 2019-12-17 M. W. Alomari

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, it is a fuction that is a harmonically-convex differentiable for a new identity. As a result of this identity some new and general inequalities for differentiable harmonically-convex functions are obtained.

经典分析与常微分方程 · 数学 2016-01-26 İmdat İşcan , Sercan Turhan , Selahattİn Maden

In this work, new inequalities connected with the Steffensen's integral inequality for s-convex functions are proved

经典分析与常微分方程 · 数学 2016-04-08 Mohammad W. Alomari

In this paper several inequalities of the right-hand side of Hermite-Hadamard inequality are obtained for the class of functions whose derivatives in absolutely value at certain powers are ({\alpha},m)-convex.Some applications to special…

经典分析与常微分方程 · 数学 2013-04-19 Imdat Işcan

In this paper, we give a new inequality for convex functions of real variables, and we apply this inequality to obtain considerable generalizations, refinements, and reverses of the Young and Heinz inequalities for positive scalars.…

泛函分析 · 数学 2017-03-23 Yousef Al-Manasrah , Fuad Kittaneh

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

We analyze the role played by $n$-convexity for the fulfillment of a series of linear functional inequalities that extend the Hornich-Hlawka functional inequality, $f\left( x\right) +f\left( y\right) +f\left( z\right) +f\left( x+y+z\right)…

泛函分析 · 数学 2023-01-23 Constantin P. Niculescu , Suvrit Sra

We obtain new concavity results, up to a suitable transformation, for a class of quasi-linear equations in a convex domain involving the $p$-Laplace operator and a general nonlinearity satisfying concavity type assumptions. This provides an…

偏微分方程分析 · 数学 2022-02-01 William Borrelli , Sunra Mosconi , Marco Squassina

In this paper, we give some definitions on quasi-convex functions and we prove inequalities contain J-quasi-convex and W-quasi-convex functions. We give also some inclusions.

经典分析与常微分方程 · 数学 2010-12-17 M. Emin Ozdemir , Ahmet Ocak Akdemir , Cetin Yildiz

In this paper, we introduce the notion of conditional $h$-convex functions and we prove an operator version of the Jensen inequality for conditional $h$-convex functions. Using this type of functions, we give some refinements for Ky-Fan's…

泛函分析 · 数学 2022-10-11 Ismail Nikoufar , Davuod Saeedi
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