摘要:Using the fixed point method, we prove the Hyers-Ulam stability of an additive-quadratic-cubic-quartic functional equation in matrix normed spaces. MSC:47L25, 47H10, 39B82, 46L07, 39B52.
关键词:operator space ; fixed point ; Hyers-Ulam stability ; additive-quadratic-cubic-quartic functional equation