ON A QUESTION OF J. M. RASSIAS

被引：1

作者：

Fechner, Wlodzimierz ^{[1
]}

机构：

[1] Univ Silesia, Inst Math, PL-40007 Katowice, Poland

来源：

BULLETIN OF THE AUSTRALIAN MATHEMATICAL SOCIETY | 2014年 / 89卷 / 03期

关键词：

functional inequality; subadditive mappings; Dini derivatives; HOSSZU FUNCTIONAL INEQUALITY;

D O I：

10.1017/S0004972713000889

中图分类号：

O1 [数学];

学科分类号：

0701 ; 070101 ;

摘要：

Answering a problem posed by John Michael Rassias, we study the functional inequality f (x + y + xy) <= f (x) + f (y) + f (xy), with real unknown mapping f.

引用

页码：494 / 499

页数：6

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