Zobrazeno 1 - 10 of 25 pro vyhledávání: '"J Laali"'
1
Akademický článek
Amenability and Weak Amenability of the Semigroup Algebra l^1 (〖 S〗_T )
Autor: S.M Mohammadi, J Laali
Publikováno v: پژوهش‌های ریاضی, Vol 2, Iss 1, Pp 33-46 (2016)
Let S be a semigroup with a left multiplier on S. A new product on S is defined by related to S and such that S and the new semigroup ST have the same underlying set as S. It is shown that if is injective then where, is the extension of on Also, we s
Externí odkaz: https://doaj.org/article/efe41ed28a544c389f548214c8b58126
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2
Arens regularity and point Arens regularity of semigroup algebras
Autor: J. Laali, Alireza Medghalchi, Ramin Ramezani
Publikováno v: Positivity. 23:1215-1224
The purpose of this article is to study the concepts Arens regularity for semigroup algebras $$M_a(S)$$ , $$\ell ^1(S)$$ , and $${ LUC}(S)^*$$ . We give a necessary and sufficient condition for $$M_a(S)$$ to be pointwise Arens regular. We then give s
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::018f57e198b78a72afa553a097d5c436
https://doi.org/10.1007/s11117-019-00662-8
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3
Akademický článek
The Relationship between Two Involutive Semigroups S and ST Is Defined by a Left Multiplier T
Autor: S. M. Mohammadi, J. Laali
Publikováno v: Journal of Function Spaces, Vol 2014 (2014)
Let S be a semigroup with a left multiplier T on S. There exists a new semigroup ST, which depends on S and T, which has the same underlying space as S. We study the question of involutions on ST and a Banach algebra AT. We find a condition of T unde
Externí odkaz: https://doaj.org/article/7ea78072530b4d3c8024d529d0724ee3
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4
Approximate amenability and contractibility of hypergroup algebras
Autor: R. Ramezani, J. Laali
Publikováno v: Ann. Funct. Anal. 9, no. 4 (2018), 551-565
Let $K$ be a hypergroup. The purpose of this article is to study the notions of amenability of the hypergroup algebras $L(K)$ , $M(K)$ , and $L(K)^{**}$ . Among other results, we obtain a characterization of approximate amenability of $L(K)^{**}$ . M
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a0378ca939af079b8fdad0708f80b635
https://doi.org/10.1215/20088752-2018-0001
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6
Performance analysis of the perovskite solar cells by a realistic, DFT-accurate optical absorption spectrum
Autor: Abdolhamid Minuchehr, Gh. Alahyarizadeh, J. Laali, A. Hamedani
Publikováno v: Superlattices and Microstructures. 143:106551
In all the available simulator software, the absorption spectrum is calculated by a simplified, mathematical function which provides an approximation of the real spectrum. Here, the absorption spectrum of MAPbX3 perovskites and ZnO, as absorber and e
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fa3eaff7bcc7e4d555d52ade49ab177a
https://doi.org/10.1016/j.spmi.2020.106551
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7
Amenability and topological centres of the second duals of Banach algebras
Autor: J. Laali, F. Ghahramani
Publikováno v: Bulletin of the Australian Mathematical Society. 65:191-197
questions 1. Is 21 Arens regular when 21** is amenable? 2. Is 21 weakly amenable when 21** is weakly amenable? For the origin of these questions see [2, 3]. We show that under certain additional assumptions on 21 or 21** the answer to either one of t
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4d2012ada67af8555017d8594ad61de2
https://doi.org/10.1017/s0004972700020232
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10
Akademický článek
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