Duality of vector spaces
Michael Barr (1976)
Cahiers de Topologie et Géométrie Différentielle Catégoriques
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Michael Barr (1976)
Cahiers de Topologie et Géométrie Différentielle Catégoriques
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Michael Barr (1976)
Cahiers de Topologie et Géométrie Différentielle Catégoriques
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Armin Frei (1992)
Cahiers de Topologie et Géométrie Différentielle Catégoriques
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Michael Barr (2000)
Cahiers de Topologie et Géométrie Différentielle Catégoriques
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Esteban Andruchow, Eduardo Chiumiento, María Eugenia Di Iorio y Lucero (2015)
Studia Mathematica
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Let 𝓔 be a Banach space contained in a Hilbert space 𝓛. Assume that the inclusion is continuous with dense range. Following the terminology of Gohberg and Zambickiĭ, we say that a bounded operator on 𝓔 is a proper operator if it admits an adjoint with respect to the inner product of 𝓛. A proper operator which is self-adjoint with respect to the inner product of 𝓛 is called symmetrizable. By a proper subspace 𝓢 we mean a closed subspace of 𝓔 which is the range of a proper projection....
Michael Barr, Heinrich Kleisli (1999)
Cahiers de Topologie et Géométrie Différentielle Catégoriques
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Michael Barr (1978)
Cahiers de Topologie et Géométrie Différentielle Catégoriques
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Vladimir Kadets, Varvara Shepelska, Dirk Werner (2008)
Bulletin of the Polish Academy of Sciences. Mathematics
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We consider a general concept of Daugavet property with respect to a norming subspace. This concept covers both the usual Daugavet property and its weak* analogue. We introduce and study analogues of narrow operators and rich subspaces in this general setting and apply the results to show that a quotient of L₁[0,1] by an ℓ₁-subspace need not have the Daugavet property. The latter answers in the negative a question posed to us by A. Pełczyński.
Taylor, Paul (2002)
Theory and Applications of Categories [electronic only]
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