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00925njm 22002777a 4500 dc Biström, Peter author Jaramillo Aguado, Jesús Ángel author Lindström, Mikael author 1998 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. 0035-7596 10.1216/rmjm/1181071712 https://hdl.handle.net/20.500.14352/57601 http://129.219.36.47/abstracts/rmj/vol28-4/bistpag1.pdf http://projecteuclid.org/ Polynomial compactness in Banach spaces