Journal of Inequalities and Applications, 2013, 124
Abstract
In this paper, we prove the Hyers-Ulam stability of C*-ternary 3-derivations and of C*-ternary 3-homomorphisms for the functional equation f (x(1) + x(2), y(1) + y(2), z(1) + z(2)) = Sigma(1 <= i,j,k <= 2) f (x(i), y(j), z(k)) in C*-ternary algebras.