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In this paper, we study the further improvements of the reverse Young and Heinz inequalities for the wider range of $v$, namely $v\in \mathbb{R}$. These modified inequalities are used to establish corresponding operator inequalities on a…

经典分析与常微分方程 · 数学 2018-02-01 Shigeru Furuichi , Mohammad Bagher Ghaemi , Nahid Gharakhanlu

Some improvements of Young inequality and its reverse for positive numbers with Kontrovich constant are given. Using these inequalities some operator versions and Hilbert-Schmidt norm versions for matrices are proved.

泛函分析 · 数学 2016-05-10 Maryam Khosravi , Alemeh Sheikhhosseini

In this note, some refinements of Young inequality and its reverse for positive numbers are proved and using these inequalities some operator versions and Hilbert-Schmidt norm versions for matrices of these inequalities are obtained.

泛函分析 · 数学 2016-05-10 Alemeh Sheikhhosseini , Maryam Khosravi

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

We give some new refinements of Heinz inequality and an improvement of the reverse Young's inequality for scalars and we use them to establish new inequalities for operators and the Hilbert-Schmidt norm of matrices. We give a uniformly and…

泛函分析 · 数学 2017-03-09 A. G. Ghazanfari , S. Malekinejad , S. Talebi

In this paper we obtain some new refinements and reverses of Young's operator inequality. Extensions for convex functions of operators are also provided.

泛函分析 · 数学 2015-10-07 Silvestru Sever Dragomir

In this paper, we improve and generalize the operator versions of Kantorovich and Wielandt inequalities for positive linear maps on Hilbert space. Our results are more extensive and precise than many previous results due to Fu and He…

泛函分析 · 数学 2015-01-14 Wenshi Liao , Junliang Wu

The main goal of this exposition is to present further analysis of the Kantorovich and Ando operator inequalities. In particular, a new proof of Ando's inequality is given, a new non-trivial refinement of Kantorovich inequality is shown,…

In this note, we present a refinement of the well-known AM-GM inequality. We use this improved inequalty to establish corresponding inequalities on Hilbert space. We also give some refinements of the Kantorovich inequality.

泛函分析 · 数学 2021-11-08 Mehdi Eghbali Amlashi , Mahmoud Hassani

In this article, we prove several multi-term refinements of Young type inequalities for both real numbers and operators improving several known results. Among other results, we prove \begin{eqnarray*}…

泛函分析 · 数学 2016-10-11 Mohammad Sababheh , Mohammad Sal Moslehian

In this paper, we study refinements of some inequalities related to Young inequality for scalar and for operator. As our main results, we show refined Young inequalities for two positive operators. This results refine the ordering relations…

泛函分析 · 数学 2012-01-27 Shigeru Furuichi , Minghua Lin

In this short note, we give the refined Young inequality with Specht's ratio by only elementary and direct calculations. The obtained inequality is better than one previously shown by the author in 2012. In addition, we give a new property…

经典分析与常微分方程 · 数学 2019-07-11 Shigeru Furuichi

This paper undertakes a thorough investigation of matrix means interpolation and comparison. We expand the parameter $\vartheta$ beyond the closed interval $[0,1]$ to cover the entire positive real line, denoted as $\mathbb{R}^+$.…

泛函分析 · 数学 2025-03-06 M. H. M. Rashid , Wael Mahmoud Mohammad Salameh

This paper presents a number of Kantorovich type integral inequalities involving tensor products of continuous fields of bounded linear operators on a Hilbert space. Kantorovich type inequality in which the product is replaced by an…

泛函分析 · 数学 2015-11-30 Pattrawut Chansangiam

In this paper, we present some operator and eigenvalue inequalities involving operator monotone, doubly concave and doubly convex functions. These inequalities provide some variants of operator Acz\'{e}l inequality and its reverse via…

泛函分析 · 数学 2020-01-16 Shigeru Furuichi , Mohammad Reza Jabbarzadeh , Venus Kaleibary

For an $n$-tuple of positive invertible operators on a Hilbert space, we present some variants of Ando--Hiai type inequalities for deformed means from an $n$-variable operator mean by an operator mean, which is related to the information…

泛函分析 · 数学 2019-11-26 Mohsen Kian , M. S. Moslehian , Yuki Seo

In this paper, we show refined Young inequalities for two positive operators. Our results refine the ordering relations among the arithmetic mean, the geometric mean and the harmonic mean for two positive operators. In addition, we give two…

泛函分析 · 数学 2011-04-26 Shigeru Furuichi

In this paper, we shall give an extension of operator Bellman inequality. This result is estimated via Kantorovich constant.

泛函分析 · 数学 2019-05-29 Shiva Sheybani , Mohsen Erfanian Omidvar , Mahnaz Khanegir

Young's integral inequality is reformulated with upper and lower bounds for the remainder. The new inequalities improve Young's integral inequality on all time scales, such that the case where equality holds becomes particularly transparent…

经典分析与常微分方程 · 数学 2010-02-15 Douglas R. Anderson , Steven Noren , Brent Perreault

In this paper, we present some extensions of the Young and Heinz inequalities for the Hilbert-Schmidt norm as well as any unitarily invariant norm. Furthermore, we give some inequalities dealing with matrices. More precisely, for two…

泛函分析 · 数学 2017-05-09 Monire Hajmohamadi , Rahmatollah Lashkaripour , Mojtaba Bakherad
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