On the Intuitionistic Fuzzy Stability of Ring Homomorphism and Ring Derivation

Abstract

We take into account the stability of ring homomorphism and ring derivation in intuitionistic fuzzy Banach algebra associated with the Jensen functional equation. In addition, we deal with the superstability of functional equation $f(xy)=xf(y)+f(x)y$ in an intuitionistic fuzzy normed algebra with unit.