Examples of tauberian operators
Teresa Alvarez, Manuel González Ortiz (1989)
Extracta Mathematicae
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Teresa Alvarez, Manuel González Ortiz (1989)
Extracta Mathematicae
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Manuel González, Antonio Martínez-Abejón (1995)
Extracta Mathematicae
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Manuel González, Antonio Martínez-Abejón (1997)
Extracta Mathematicae
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Here we present and example and some results suggesting that there is no infinite-dimensional reflexive subspace Z of L1 ≡ L1[0,1] such that the quotient L1/Z is isomorphic to a subspace of L1.
Manuel González, Antonio Martínez-Abejón (1997)
Studia Mathematica
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We characterize tauberian operators in terms of the images of disjoint sequences and in terms of the image of the dyadic tree in . As applications, we show that the class of tauberian operators is stable under small norm perturbations and that its perturbation class coincides with the class of all weakly precompact operators. Moreover, we prove that the second conjugate of a tauberian operator is also tauberian, and the induced operator is an isomorphism into. Also, we show that...
Teresa Álvarez, Antonio Martínez-Abejón (2005)
Bollettino dell'Unione Matematica Italiana
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The class of Rosenthal linear relations in normed spaces is introduced and studied in terms of their first and second conjugates. We investigate the relationship between a Rosenthal linear relation and its conjugate. In this paper, we also study the semi-Tauberian linear relations following the pattern followed for the study of the Tauberian linear relations. We prove that the semi-Tauberian linear relations share some of the properties of Tauberian linear relations and they are related...
Falcon, Sergio, Sadarangani, Kishin (2001)
Abstract and Applied Analysis
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Grishin, A.F., Poedintseva, I.V. (2004)
Zapiski Nauchnykh Seminarov POMI
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K. Mattila (1996)
Semigroup forum
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Časlav V. Stanojević, Vera B. Stanojević (2002)
Publications de l'Institut Mathématique
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