Malicki, Maciej Polishable subspaces of infinite-dimensional separable Banach spaces. (English) Zbl 1170.46023 Real Anal. Exch. 33(2007-2008), No. 2, 317-322 (2008). Summary: We show that there exist Polishable subspaces of arbitrarily high Borel class in every infinite-dimensional separable Banach space. MSC: 46B99 Normed linear spaces and Banach spaces; Banach lattices 54H05 Descriptive set theory (topological aspects of Borel, analytic, projective, etc. sets) 03E15 Descriptive set theory Keywords:separable Banach spaces; Polishable subspaces × Cite Format Result Cite Review PDF Full Text: DOI