A FIXED POINT APPROACH TO STABILITY OF A CUBIC FUNCTIONAL EQUATION IN 2-BANACH SPACES

Facta Universitatis. Series Mathematics and Informatics

article

Khaled Y. N. Sayar¹  Amal Bergam¹ 

[1] Abdelmalek Essaadi University

关键词: stability;    hyperstability;    fixed point;    2-Banach spaces;    cubic functional equation.;   

DOI  :  10.22190/FUMI210426017S

学科分类：社会科学、人文和艺术（综合）

来源: Univerzitet u Nishu / University of Nis

【 摘 要 】

In this paper, we prove a new type of stability and hyperstability results forthe following cubic functional equationf (2x + y) + f (2x - y) = 2f (x + y) + 2f (x - y) + 12f(x)in 2-Banach spaces using fixed point approach.

【 授权许可】

Unknown