Abstract
In this chapter, we apply the concept of tightness to study distinguished Fréchet spaces. We show that a Fréchet space is distinguished if and only if its strong dual has countable tightness. This approach to studying distinguished Fréchet spaces leads to a rich supply of (DF)-spaces whose weak ∗ duals are quasi-Suslin but not K-analytic. The small cardinals \(\mathfrak{b}\) and \(\mathfrak{d}\) will be used to improve the analysis of Köthe’s echelon nondistinguished Fréchet space λ 1(A).
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© 2011 Springer Science+Business Media, LLC
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Kąkol, J., Kubiś, W., López-Pellicer, M. (2011). Tightness and Distinguished Fréchet Spaces. In: Descriptive Topology in Selected Topics of Functional Analysis. Developments in Mathematics, vol 24. Springer, Boston, MA. https://doi.org/10.1007/978-1-4614-0529-0_16
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DOI: https://doi.org/10.1007/978-1-4614-0529-0_16
Publisher Name: Springer, Boston, MA
Print ISBN: 978-1-4614-0528-3
Online ISBN: 978-1-4614-0529-0
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