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

Classical Analysis and ODEs · Mathematics 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…

Complex Variables · Mathematics 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…

Statistics Theory · Mathematics 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…

General Topology · Mathematics 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.

Software Engineering · Computer Science 2018-02-21 Michael Felderer , Bogdan Marculescu , Francisco Gomes de Oliveira Neto , Robert Feldt , Richard Torkar

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…

Functional Analysis · Mathematics 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…

Optimization and Control · Mathematics 2025-09-29 Nicolas Hadjisavvas , Felipe Lara

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

General Topology · Mathematics 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…

Information Theory · Computer Science 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…

General Topology · Mathematics 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…

Functional Analysis · Mathematics 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.

Complex Variables · Mathematics 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.

Artificial Intelligence · Computer Science 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…

Complex Variables · Mathematics 2018-10-26 Guangbin Ren , Ting Yang

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

General Topology · Mathematics 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 · Mathematics 2016-08-31 Z. R. Ashurova , Y. I. Zhuraev

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

Mathematical Physics · Physics 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.

Metric Geometry · Mathematics 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…

Probability · Mathematics 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…

Functional Analysis · Mathematics 2014-08-29 Carlos H. Jiménez , Ignacio Villanueva