Výsledky vyhledávání - "Ahmad Shirinkalam"

Publikováno v: Mathematical Communications
Volume 26
Issue 1
Scopus-Elsevier

We define a notion of smooth cohomology for $ C^* $-algebras which admit a faithful trace. We show that if $ \A\subseteq B(\h) $ is a $ C^* $-algebra with a faithful normal trace $ \tau $ on the ultra-weak closure $ \bar{\A} $ of $ \mathcal{A} $, and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fbfc5bab940c2fcc8643847d6204a15e
https://hrcak.srce.hr/252598

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Approximate cohomology in Banach algebras

Autor: Ahmad Shirinkalam, Abdolrasoul Pourabbas

Publikováno v: Quaestiones Mathematicae; Vol 40, No 1 (2017); 107-118

We introduce the notions of approximate cohomology and approximate homotopy in Banach algebras and we study the relation between them. We show that the approximate homotopically equivalent cochain complexes give the same approximate cohomologies. As

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https://www.ajol.info/index.php/qm/article/view/154763

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1-Algebra of a Locally Compact Groupoid

Autor: Alireza Medghalchi, Ahmad Shirinkalam, Massoud Amini

Publikováno v: ISRN Algebra. 2011:1-17

For a locally compact groupoid with a fixed Haar system and quasi-invariant measure , we introduce the notion of -measurability and construct the space 1(, , ) of absolutely integrable functions on and show that it is a Banach -algebra and a two-side

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https://doi.org/10.5402/2011/856709

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On approximate Connes-amenability of enveloping dual Banach algebras

Autor: Ahmad Shirinkalam, Pourabbas, A.

Publikováno v: Scopus-Elsevier

For a Banach algebra $ \mathcal{A} $, we introduce various approximate virtual diagonals such as approximate WAP-virtual diagonal and approximate virtual diagonal. For the enveloping dual Banach algebra $ F(\mathcal{A}) $ of $ \mathcal{A} $, we show

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Module and Hochschild cohomology of certain semigroup algebras

Autor: Abdolrasoul Pourabbas, Massoud Amini, Ahmad Shirinkalam

We study the relation between module and Hochschild cohomology groups of Banach algebras with a compatible module structure. More precisely, we show that for every commutative Banach $ \mathcal{A} $-$ \mathfrak{A}$-bimodule $ X $ and every $ k \in \m

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