On the Stability of Quadratic (∗-) Derivations on (∗-) Banach Algebras

Abasalt Bodaghi, Gholamreza Zabandan

Abstract


The stability of quadratic derivations on a Banach algebra is established. The stability and the superstability of quadratic ∗-derivations on Banach ∗ -algebras are proved as well. In fact, it is modified the result of Jang and Park [1] on a quadratic ∗-derivation.

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|ISSN 1686-0209|