بررسی توابع تلفیقی درجه اول و دوم در فضاهای 2-باناخ

In the paper we establish the general solution of the function equation f(2x+y)+f(2x-y) = f(x+y)+f(x-y)+2f(2x)-2f(x) and investigate the Hyers-Ulam-Rassias stability of this equation in 2-Banach spaces.

کلیدواژه ها:

Linear 2-normed space ، Hyers-Ulam-Rassias ، Quadratic function ، Additive function