The Dunford-Pettis property in C*-algebras
Cho-Ho Chu, Bruno Iochum (1990)
Studia Mathematica
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Cho-Ho Chu, Bruno Iochum (1990)
Studia Mathematica
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N. Ergun, T. Noiri (1990)
Matematički Vesnik
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Diómedes Bárcenas (1991)
Extracta Mathematicae
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Miguel Martín, Antonio M. Peralta (2001)
Studia Mathematica
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Let A be a type II von Neumann algebra with predual A⁎. We prove that A⁎ does not have the alternative Dunford-Pettis property introduced by W. Freedman [7], i.e., there is a sequence (φₙ) converging weakly to φ in A⁎ with ||φₙ|| = ||φ|| = 1 for all n ∈ ℕ and a weakly null sequence (xₙ) in A such that φₙ(xₙ) ↛ 0. This answers a question posed in [7].
Rabindranath Sen (1965)
Rendiconti del Seminario Matematico della Università di Padova
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Bombal, Fernando (1988)
Portugaliae mathematica
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J. H'Michane, A. El Kaddouri, K. Bouras, M. Moussa (2013)
Commentationes Mathematicae Universitatis Carolinae
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We characterize Banach lattices under which each b-weakly compact (resp. b-AM-compact, strong type (B)) operator is L-weakly compact (resp. M-weakly compact).
Belmesnaoui Aqzzouz, Aziz Elbour, Mohammed Moussa (2012)
Mathematica Bohemica
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We establish some sufficient conditions under which the subspaces of Dunford-Pettis operators, of M-weakly compact operators, of L-weakly compact operators, of weakly compact operators, of semi-compact operators and of compact operators coincide and we give some consequences.
M. Valdivia (1989)
Studia Mathematica
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Bishwambhar Roy (2013)
Mathematica Bohemica
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In this paper we introduce a new class of functions called weakly -closed functions with the help of generalized topology which was introduced by Á. Császár. Several characterizations and some basic properties of such functions are obtained. The connections between these functions and some other similar types of functions are given. Finally some comparisons between different weakly closed functions are discussed. This weakly -closed functions enable us to facilitate the formulation...