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We establish characterization of $H^1$ Sobolev spaces by certain square functions, improving previous results.

经典分析与常微分方程 · 数学 2026-01-05 Shuichi Sato

Carlson's theorem estimates the growth of an analytic function along the imaginary axis, provided that the function is zero at non-negative integers. We refine this theorem and describe not only the function's growth but also necessary and…

复变函数 · 数学 2021-08-31 Armen Vagharshakyan

The paper discusses a test for the hypothesis that a random sample comes from the Cauchy distribution. The test statistics is derived from a characterization and is based on the characteristic function. Properties of the test are discussed…

统计理论 · 数学 2016-11-21 Emanuele Taufer

In this paper we have studied some important topological properties and characterization of I^K-convergence of functions which is a common generalization of I*-convergence of functions. We also introduce the idea of I^K*-convergence and…

一般拓扑 · 数学 2018-08-01 Amar Kumar Banerjee , Mahendranath Paul

This paper presents background, the basic steps and an example for a testability analysis framework for non-functional properties.

The concept of measurability of functions on a charge space is generalised for functions taking values in a uniform space. Several existing forms of measurability generalise naturally in this context, and new forms of measurability are…

泛函分析 · 数学 2024-01-05 Jonathan M. Keith

We provide new necessary and sufficient conditons for ensuring strong quasiconvexity in the nonsmooth case and, as a consequence, we provide a proof for the differentiable case. Furthermore, we improve the quadratic growth property for…

最优化与控制 · 数学 2025-09-29 Nicolas Hadjisavvas , Felipe Lara

We investigate several boundedness properties of function spaces considered as uniform spaces.

一般拓扑 · 数学 2018-02-19 Lubica Hola , Ljubisa D. R. Kocinac

In this letter, we give a characterization for a generic construction of bent functions. This characterization enables us to obtain another efficient construction of bent functions and to give a positive answer on a problem of bent…

信息论 · 计算机科学 2024-03-12 Yanjun Li , Jinjie Gao , Haibin Kan , Jie Peng , Lijing Zheng , Changhui Chen

In this paper we study the idea of strong-I^K-convergence of functions which is common generalization of strong-I*-convergence of functions in probabilistic metric spaces. We also study strong-I^K-limit points of functions in the same…

一般拓扑 · 数学 2018-08-13 Amar Kumar Banerjee , Mahendranath Paul

In this paper, we study some features of n-normed spaces with respect to norms of its quotient spaces. We define continuous functions with respect to the norms of its quotient spaces and show that all types of continuity are equivalent. We…

泛函分析 · 数学 2019-04-02 Harmanus Batkunde , Hendra Gunawan

We first exhibit counterexamples to some open questions related to a theorem of Sakai. Then we establish an extension theorem of Sakai type for separately holomorphic/meromorphic functions.

复变函数 · 数学 2007-05-23 Peter Pflug , Viet-Anh Nguyen

The assumptions needed to prove Cox's Theorem are discussed and examined. Various sets of assumptions under which a Cox-style theorem can be proved are provided, although all are rather strong and, arguably, not natural.

人工智能 · 计算机科学 2007-05-23 Joseph Y. Halpern

In this paper, we define a class of slice mappings of several Clifford variables, and the corresponding slice regular mappings. Furthermore, we establish the growth theorem for slice regular starlike or convex mappings on the unit ball of…

复变函数 · 数学 2018-10-26 Guangbin Ren , Ting Yang

Some boundedness properties of function spaces (considered as topological groups) are studied.

一般拓扑 · 数学 2017-10-31 L'ubica Holá , Ljubiša D. R. Kočinac

We prove in this paper the uniqueness theorem for a certain class of harmonic functions defined in unbounded domain lying in a band.

funct-an · 数学 2016-08-31 Z. R. Ashurova , Y. I. Zhuraev

Old and new results for characterizing volume forms in functional integration.

数学物理 · 物理学 2016-11-23 Pierre Cartier , Marcus Berg , Cecile DeWitt-Morette , Alex Wurm

We prove a characterization for BLD-mappings between locally complete locally compact path-metric spaces. As a corollary we obtain a sharp limit theorem for BLD-mappings.

度量几何 · 数学 2019-04-01 Rami Luisto

We consider the entire characteristic functions of order 2 and we prove some decomposition theorems in a multidimensional case. We show that the lack of zeros of the density function is a necessary but not a sufficient (as in the…

概率论 · 数学 2013-04-30 Monika Maj , Zbigniew Pasternak-Winiarski

We prove a characterization of the dual mixed volume in terms of functional properties of the polynomial associated to it. To do this, we use tools from the theory of multilinear operators on spaces of continuos functions. Along the way we…

泛函分析 · 数学 2014-08-29 Carlos H. Jiménez , Ignacio Villanueva