Journal of Mathematical Inequalities · Volume 6, Issue 4 Homomorphisms and derivations on unital C✻-$algebras related to Cauchy-Jensen functional inequality 06-53 Pages 557-565 DOI 10.7153/jmi-06-53 Downloads Short PDF Full PDF PNG Authors Hark-Mahn Kim Madjid Eshaghi Gordji Abbas Javadian Ick-Soon Chang Keywords Hyers-Ulam stability unital C✻-algebras unitary group homomorphisms derivations Subject classes 39B72 46H30 46B06