Stability of functional equations on amenable semigroups for Forti method

In this paper, we investigate the stability of functional equation f(xy) + f(xy−1) = f(x2) on amenable semigroups. We use Forti method to generalize several results in stability of Jensen functional equation.

کلیدواژه ها:

Stability ، Jensen function ، Amenable semigroup.