The Stability of Bi-Drygas Functional Equation

In this paper, we introduce and solve a system of bi-Drygas functional equations \begin{equation}\left\{\begin{aligned}        &f(x+y,z)+f(x-y,z)=2f(x,z)+f(y,z)+f(-y,-z)\nonumber\\        &f(x,y+z)+f(x, y-z)=2f(x,y)+f(x,z)+f(-x,-z)\nonumber\end{aligned}\right.\end{equation}for all $x,y,z\in...

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Bibliographic Details
Main Authors: Mehdi Dehghanian, Sadegh Izadi, Yamin Sayyari
Format: Article
Language:English
Published: University of Maragheh 2024-03-01
Series:Sahand Communications in Mathematical Analysis
Subjects:
Online Access:https://scma.maragheh.ac.ir/article_709134_719b85487a03e0b151d957c2f9ceefd5.pdf
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