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Polynomial compactness in Banach spaces


Biström, Peter and Jaramillo Aguado, Jesús Ángel and Lindström, Mikael (1998) Polynomial compactness in Banach spaces. Rocky Mountain Journal of Mathematics, 28 (4). pp. 1203-1226. ISSN 0035-7596

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We investigate infinite dimensional Banach spaces equipped with the initial topology with respect to the continuous polynomials. We show nonlinear properties for this topology in both the real and the complex case. A new property for Banach spaces, polynomial Dunford-Pettis property, is introduced. For spaces with this property the compact sets in the topology induced by the polynomials are shown to be invariant under the summation map. For most real Banach spaces we characterize the polynomially compact sets as the bounded sets that are separated from zero by the positive polynomials.

Item Type:Article
Uncontrolled Keywords:Polynomial compactness; Dunford-Pettis property; nonlinear topology
Subjects:Sciences > Mathematics > Functional analysis and Operator theory
ID Code:16735

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