$varphi$-connes amenability of dual banach algebras
نویسندگان
چکیده
generalizing the notion of character amenability for banach algebras, we study the concept of $varphi$-connes amenability of a dual banach algebra $mathcal{a}$ with predual $mathcal{a}_*$, where $varphi$ is a homomorphism from $mathcal{a}$ onto $bbb c$ that lies in $mathcal{a}_*$. several characterizations of $varphi$-connes amenability are given. we also prove that the following are equivalent for a unital weakly cancellative semigroup algebra $l^1(s)$: (i) $s$ is $chi$-amenable. (ii) $l^1(s)$ is $hat{chi}$-connes amenable. (iii) $l^1(s)$ has a $hat{chi}$-normal, virtual diagonal.
منابع مشابه
$varphi$-Connes amenability of dual Banach algebras
Generalizing the notion of character amenability for Banach algebras, we study the concept of $varphi$-Connes amenability of a dual Banach algebra $mathcal{A}$ with predual $mathcal{A}_*$, where $varphi$ is a homomorphism from $mathcal{A}$ onto $Bbb C$ that lies in $mathcal{A}_*$. Several characterizations of $varphi$-Connes amenability are given. We also prove that the follo...
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عنوان ژورنال:
bulletin of the iranian mathematical societyجلد ۴۳، شماره ۱، صفحات ۲۵-۳۹
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