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Related papers: On Pecaric's Inequality in Inner Product Spaces

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We prove an improved version of Poincar\'e-Hardy inequality in suitable subspaces of the Sobolev space on the hyperbolic space via Bessel pairs. As a consequence, we obtain a new Hardy type inequality with an improved constant (than the…

Analysis of PDEs · Mathematics 2023-03-20 Debdip Ganguly , Prasun Roychowdhury

We prove that complete Riemannian manifolds with polynomial growth and Ricci curvature bounded from below, admit uniform Poincar\'e inequalities. A global, uniform Poincar\'e inequality for horospheres in the universal cover of a closed,…

Differential Geometry · Mathematics 2018-01-15 Gérard Besson , Gilles Courtois , Sa'ar Hersonsky

In this paper, we obtain a new generalization of Chebyshev's inequality for random elements taking values in a separate Banach space.

Probability · Mathematics 2011-06-07 Ling Zhou , Ze-Chun Hu

Some sharp discrete inequalities in normed linear spaces are obtained. New reverses of the generalised triangle inequality are also given.

Functional Analysis · Mathematics 2007-05-23 Sever Silvestru Dragomir

Refining some results of S. S. Dragomir, several new reverses of the generalized triangle inequality in inner product spaces are given. Among several results, we establish some reverses for the Schwarz inequality. In particular, it is…

Functional Analysis · Mathematics 2021-07-23 Arsalan Hojjat Ansari , Mohammad Sal Moslehian

We prove a simple inequality for a sum of squares of norms of two vectors in an inner product space. Next, using this inequality we derive the so--called "reverse uncertainty relation" and analyze its properties.

Quantum Physics · Physics 2026-05-28 K. Urbanowski

The notion of different kind of algebraic Casorati curvatures are introduced. Some results expressing basic Casorati inequalities for algebraic Casorati curvatures are presented. Equality cases are also discussed. As a simple application,…

Differential Geometry · Mathematics 2016-07-21 Mukut Mani Tripathi

In this paper we first take a detail survey of the study of the Banach-Saks property of Banach spaces and then show the Banach-Saks property of the product spaces generated by a finite number of Banach spaces having the Banach-Saks…

Functional Analysis · Mathematics 2007-05-23 Zhenglu Jiang , Xiaoyong Fu

New reverses of the Schwarz inequality in inner product spaces that incorporate the classical Klamkin-McLenaghan result for the case of positive n-tuples are given. Applications for Lebesgue integrals are also provided.

Functional Analysis · Mathematics 2007-05-23 Sever Silvestru Dragomir

We prove several singular value inequalities for sum and product of compact operators in Hilbert space. Some of our results generalize the previous inequalities for operators. Also, applications of some inequalities are given.

Functional Analysis · Mathematics 2015-10-02 A. Taghavi , V. Darvish , H. M. Nazari , S. S. Dragomir

We study one extremal problem on the product of power of generalized inner radii of non-overlapping domains in $\mathbb{C}^{n}$.

Complex Variables · Mathematics 2012-07-23 A. K. Bakhtin , G. P. Bakhtina , I. V. Denega

The aim of this article is to give some improvements of Jordan-Steckin and Becker-Stark inequalities discussed in [1].

Classical Analysis and ODEs · Mathematics 2018-02-28 Marija Nenezic , Ling Zhu

The main result of this paper supports a conjecture by C. P\'erez and E. Rela about a very recent result of theirs on self-improving theory. Also, we extend the conclusions of their theorem to the range $p<1$. As an application of our…

Classical Analysis and ODEs · Mathematics 2019-07-30 Javier C. Martínez-Perales

We establish an inequality of different metrics for algebraic polynomials.

Classical Analysis and ODEs · Mathematics 2016-06-21 Roman Veprintsev

Some sharp Bessel type inequalities for non-orthonormal families of vectors in inner product spaces are given. Applications for complex numbers are also provided.

Functional Analysis · Mathematics 2007-05-23 Sever Silvestru Dragomir

A new refinement of the triangle inequality is presented in normed linear spaces. Moreover, a simple characterization of inner product spaces is obtained by using the skew-angular distance.

Functional Analysis · Mathematics 2013-01-08 Hossein Dehghan

Some sharp inequalities of Gruss type for sequences of vectors in real or complex inner product spaces are obtained. Applications for Jensen's inequality for convex functions defined on such spaces are also provided.

Classical Analysis and ODEs · Mathematics 2025-10-20 Sever Silvestru Dragomir

The purpose of this survey is to give a comprehensive introduction to some classes of classical and recent analytic inequalities in Inner Product Spaces.

Functional Analysis · Mathematics 2007-05-23 Sever Silvestru Dragomir

Some genearlizations of Precupanu's inequality for orthornormal families of vectors in real or complex inner product spaces and applications related to Buzano's, Richard's and Kurepa's results are given

Functional Analysis · Mathematics 2009-09-29 Sever Silvestru Dragomir

We study the isoperimetric problem in product spaces equipped with the uniform distance. Our main result is a characterization of isoperimetric inequalities which, when satisfied on a space, are still valid for the product spaces, up a to a…

Functional Analysis · Mathematics 2014-11-14 Franck Barthe , Benoit Huou