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Proyecciones (Antofagasta)

Print version ISSN 0716-0917

Proyecciones (Antofagasta) vol.39 no.1 Antofagasta Feb. 2020 


Some hyperstability results for a Cauchy-Jensen type functional equation in 2-Banach spaces

Khaled Yahya Naif Sayar1 

Amal Bergam2 

1 University Abdelmalek Essaadi, Polydisciplinary Faculty of Larache, MAE2D laboratort, Larache, Morocco e-mail:

2 University Abdelmalek Essaadi, Polydisciplinary Faculty of Larache, MAE2D laboratort, Larache, Morocco e-mail:


In this paper, we investigate some stability and hyperstability results for the following Cauchy-Jensen functional equation

in 2-Banach spaces by using Brzdȩk’s fixed point approach.

Keywords: Stability; Hyperstability; 2-Banach space; Cauchy-Jensen functional equation

Texto completo disponible sólo en PDF.

Full text available only in PDF format.

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Received: December 2018; Accepted: March 2019

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