Department of Mathematics, Ayatollah Borujerdi University, Borujerd, Iran.
Abstract
Let A be a Banach algebra and X be a Banach A-bimodule. In this paper we investigate the stability of the cosine type functional equation φ(ab,a·y+x·b)=φ(ab,x·b-a·y)=2φ(a,x)φ(b,y), on module extension Banach algebra U=A+X.
Zivari-Kazempour,A. (2019). Stability of cosine type functional equations onmodule extension Banach algebras. Mathematical Analysis and its Contemporary Applications, 1(1), 44-49. doi: 10.30495/maca.2021.679842
MLA
Zivari-Kazempour,A. . "Stability of cosine type functional equations onmodule extension Banach algebras", Mathematical Analysis and its Contemporary Applications, 1, 1, 2019, 44-49. doi: 10.30495/maca.2021.679842
HARVARD
Zivari-Kazempour A. (2019). 'Stability of cosine type functional equations onmodule extension Banach algebras', Mathematical Analysis and its Contemporary Applications, 1(1), pp. 44-49. doi: 10.30495/maca.2021.679842
CHICAGO
A. Zivari-Kazempour, "Stability of cosine type functional equations onmodule extension Banach algebras," Mathematical Analysis and its Contemporary Applications, 1 1 (2019): 44-49, doi: 10.30495/maca.2021.679842
VANCOUVER
Zivari-Kazempour A. Stability of cosine type functional equations onmodule extension Banach algebras. MACA, 2019; 1(1): 44-49. doi: 10.30495/maca.2021.679842