Weak amenability of (2N)-th dual of a Banach algebra

محورهای موضوعی : History and biography

M. Ettefagh ¹ (Department of Mathematics, Tabriz Branch, Islamic Azad University, Tabriz, Iran)
S. Houdfar ² (Department of Mathematics, Tabriz Branch, Islamic Azad University, Tabriz, Iran)

تاریخ دریافت : 1390/10/11 تاریخ پذیرش : 1390/10/11 تاریخ انتشار : 1391/03/12

کلید واژه: derivation, Banach algebra, Arens porducts, Arens regularity, weak amenability,

چکیده مقاله :

In this paper by using some conditions, we show that the weak amenability of(2n)-th dual of a Banach algebra A for some $n\geq 1$ implies the weak amenability of A.

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