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检索条件"主题词=Additive function"
143 条 记 录,以下是1-10 订阅
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Uniform distribution of polynomially-defined additive functions to varying moduli
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INTERNATIONAL JOURNAL OF NUMBER THEORY 2025年 第4期21卷 959-973页
作者: Akande, Agbolade Univ Georgia Chapel Herty Dr Athens GA 30602 USA
There have been results on uniform distribution modulo 1 of sequences of the form {alpha f(n)}(infinity)(n=1 )where f (n) is an arithmetic function and alpha is an irrational number. For example, {alpha n}(infinity)(n... 详细信息
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A class of functional equations for additive functions
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AEQUATIONES MATHEMATICAE 2025年 第3期99卷 825-839页
作者: Ebanks, Bruce Mississippi State Univ Dept Math & Stat Mississippi State MS 39762 USA
The study of functional equations in which the unknown functions are assumed to be additive has a long history and continues to be an active area of research. Here we discuss methods for solving functional equations o... 详细信息
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Cauchy-Schwarz-type inequalities for solutions of Levi-Civita-type functional equations
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PERIODICA MATHEMATICA HUNGARICA 2025年 第2期90卷 228-238页
作者: Pales, Zsolt Shihab, Mahmood Kamil Univ Debrecen Inst Math Pf 400 H-4002 Debrecen Hungary Univ Debrecen Doctoral Sch Math & Computat Sci Debrecen Hungary Univ Kirkuk Coll Educ Pure Sci Dept Math Kirkuk Iraq
The main goal of this paper is to show that if a real-valued function defined on a groupoid satisfies a certain Levi-Civita-type functional equation, then it also fulfills a Cauchy-Schwarz-type functional inequality. ... 详细信息
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A study on Davison's functional equation for set-valued functions
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AEQUATIONES MATHEMATICAE 2025年 1-10页
作者: Mohammadi, Elham Najati, Abbas EL-Fassi, Iz-iddine Univ Mohaghegh Ardabili Dept Math Ardebil Iran SM Ben Abdellah Univ Fac Sci & Tech Dept Math BP 2202 Fes Morocco
Let X be a unital algebra with unit e and Y a real Hausdorff topological vector space. In this article, we obtain the general set-valued solution of the Davison functional equation F(xy+x)+F(y)=F(xy)+F(x+y)\documentcl... 详细信息
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A BOREL LINEAR SUBSPACE OF Rω THAT CANNOT BE COVERED BY COUNTABLY MANY CLOSED HAAR-MEAGER SETS
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TOPOLOGICAL METHODS IN NONLINEAR ANALYSIS 2024年 第1期63卷 197-208页
作者: Banakh, Taras Jablonska, Eliza Ivan Franko Univ Lviv Lvov Ukraine Jan Kochanowski Univ Kielce Kielce Poland AGH Univ Krakow Fac Appl Math Mickiewicza 30 PL-30059 Krakow Poland
We prove that the countable product of lines contains a Haarnull Haar -meager Borel linear subspace L that cannot be covered by countably many closed Haar -meager sets. This example is applied to studying the interpla... 详细信息
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On Ramanujan expansions with additive coefficients
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INDIAN JOURNAL OF PURE & APPLIED MATHEMATICS 2023年 第2期56卷 1-6页
作者: Laporta, Maurizio Univ Napoli Complesso Monte S Angelo Dipartimento Matemat & Applicaz Via Cinthia I-80126 Naples NA Italy
The Ramanujan series attached to a complex-valued arithmetic function g ($) over cap in a fixed integer a is the series Sigma(n)g ($) over cap (n)cn(a), where cn(a) is the so-calledRamanujan sum. Assuming that g ($) o... 详细信息
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On Numbers Not Representable as n plus w(n)
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MATHEMATICAL NOTES 2023年 第3-4期113卷 384-395页
作者: Kucheryavyi, P. A. Natl Res Univ Higher Sch Econ Fac Math Moscow 101000 Russia
w(n) be an additive nonnegative integer-valued arithmetic function equal to 1 on primes. We study the distribution of n + w(n) modulo a prime p and give a lower bound for the density of numbers not representable as n ... 详细信息
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Basic sets for some basic functional equations
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AEQUATIONES MATHEMATICAE 2023年 第5-6期97卷 1221-1230页
作者: Ger, Roman Univ Silesia Inst Math Bankowa 14 PL-40007 Katowice Poland
Motivated by the well known fact that any nonzero solution of the fundamental Cauchy functional equation may arbitrarily be prescribed on a Hamel basis, we deal with the following problem: given a functional equation ... 详细信息
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Interdependence of additivity and sine additivity
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AFRIKA MATEMATIKA 2024年 第2期35卷 1-21页
作者: Ebanks, Bruce Mississippi State Univ Dept Math & Stat Mississippi State MS 39762 USA
Let S be a semigroup and K a field. A function f:S -> K\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \u... 详细信息
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Stability of an Abel functional equation over restricted domains
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RENDICONTI DEL CIRCOLO MATEMATICO DI PALERMO 2024年 第8期73卷 2913-2919页
作者: Mohammadi, Elham Najati, Abbas EL-Fassi, Iz-iddine Univ Mohaghegh Ardabili Dept Math Fac Sci Ardebil Iran SM Ben Abdellah Univ Dept Math Fac Sci & Tech BP 2202 Fes Morocco
Let R\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} ... 详细信息
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