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In generalized Lebesgue spaces L^{p(.)} with variable exponent p(.) defined on the real axis, we obtain several inequalities of approximation by integral functions of finite degree. Approximation properties of Bernstein singular integrals…

经典分析与常微分方程 · 数学 2021-09-06 Ramazan Akgün

We continue our study of geometric analysis on (possibly non-reversible) Finsler manifolds, based on the Bochner inequality established by the author and Sturm. Following the approach of the $\Gamma$-calculus a la Bakry et al, we show the…

微分几何 · 数学 2022-04-19 Shin-ichi Ohta

In this paper, we establish some new inequalities for class of SX(h,I) convex functions which are supermultiplicative or superadditive and nonnegative. And we also give some applications for special means.

经典分析与常微分方程 · 数学 2014-02-03 Mevlut Tunc

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…

泛函分析 · 数学 2021-07-23 Arsalan Hojjat Ansari , Mohammad Sal Moslehian

In this paper, we establish three inequalities for differentiable s-geometrically and geometrically convex functions which are connected with the famous Hermite-Hadamard inequality holding for convex functions. Some applications to special…

经典分析与常微分方程 · 数学 2013-04-17 Mevlut Tunc

We study reverse triangle inequalities for Riesz potentials and their connection with polarization. This work generalizes inequalities for sup norms of products of polynomials, and reverse triangle inequalities for logarithmic potentials.…

经典分析与常微分方程 · 数学 2013-07-24 I. E. Pritsker , E. B. Saff , W. Wise

We introduce the notion of a continuous biframe in a Hilbert space which is a generalization of discrete biframe in Hilbert space. Representation theorem for this type of generalized frame is verified and some characterizations of this…

泛函分析 · 数学 2023-09-15 Prasenjit Ghosh , T. K. Samanta

We study a reproducing kernel Hilbert space of functions defined on the positive integers and associated to the binomial coefficients. We introduce two transforms, which allow us to develop a related harmonic analysis in this Hilbert space.…

复变函数 · 数学 2014-12-19 Daniel Alpay , Palle Jorgensen

This paper is a survey on major results on Hilbert functions of multigraded algebras and mixed multiplicities of ideals, including their applications to the computation of Milnor numbers of complex analytic hypersurfaces with isolated…

交换代数 · 数学 2008-02-19 N. V. Trung , J. K. Verma

In this paper, we establish several inequalities for different 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 2014-08-24 M. Emin Özdemir , ÇEtin Yildiz , Havva Kavurmaci

A generalization of continuous biframe in a Hilbert space is introduced and a few examples are discussed. Some characterizations and algebraic properties of this biframe are given. Here we also construct various types of continuous…

泛函分析 · 数学 2024-03-06 Prasenjit Ghosh , T. K. Samanta

We extend a Poincar\'{e}-type inequality for functions with large zero-sets by Jiang and Lin to fractional Sobolev spaces. As a consequence, we obtain a Hausdorff dimension estimate on the size of zero sets for fractional Sobolev functions…

偏微分方程分析 · 数学 2013-07-22 Armin Schikorra

The article presents a new method of integration of functions with values in Banach spaces. This integral and related notions prove to be a useful tool in the study of Banach space geomtry.

泛函分析 · 数学 2007-05-23 V Kadets , B. Shumyatskiy , R. Shvidkoy , L. Tseytlin , K. Zheltukhin

Area integral functions are introduced for sectorial operators on Hilbert spaces. We establish the equivalence relationship between the square and area integral functions. This immediately extends McIntosh/Yagi's results on $H^{\8}$…

泛函分析 · 数学 2012-07-06 Zeqian Chen , Mu Sun

We give a number new examples analytically and numerically to confirm the Kohler conjecture. It turned out that for a rather large class of nonnegative functions the equality (A) hold.

数学物理 · 物理学 2008-04-18 A. Alenitsyn , M. Arshad , A. S. Kondratyev , I. Siddique

As a generalization of Riemann-Liouville integral, we introduce integral transformations of convergent power series which can be applied to hypergeometric functions with several variables.

经典分析与常微分方程 · 数学 2023-11-16 Toshio Oshima

We consider tractability of integration in reproducing kernel Hilbert spaces which are a tensor product of a Walsh space and a Korobov space. The main result provides necessary and sufficient conditions for weak, polynomial and strong…

数值分析 · 数学 2014-04-15 Peter Kritzer , Friedrich Pillichshammer

This paper addresses the study and characterizations of variational convexity of extended-real-valued functions on Banach spaces. This notion has been recently introduced by Rockafellar, and its importance has been already realized and…

最优化与控制 · 数学 2023-08-29 Pham Duy Khanh , Vu Vinh Huy Khoa , Boris S. Mordukhovich , Vo Thanh Phat

In this paper, we establish new general inequality for convex functions. Then we apply this inequality to obtain the midpoint, trapezoid and averaged midpoint-trapezoid integral inequality. Also, some applications for special means of real…

经典分析与常微分方程 · 数学 2012-05-10 M. Z. Sarikaya , H. Ogunmez , M. K. Yildiz

We present more than 50 results including some range inclusion results to characterize reverse order law for Moore-Penrose inverse of closed range Hilbert space operators. We use basic properties of Moore-Penrose inverse to prove the…

泛函分析 · 数学 2022-07-14 Athira Satheesh K. , K. Kamaraj , P. Sam Johnson