Analytic P-ideals and Banach spaces

Speaker(s)

Piotr Borodulin-Nadzieja

Affiliation

University of Wrocław

Date

Feb. 26, 2020, 4:15 p.m.

Room

room 5050

Seminar

Topology and Set Theory Seminar

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I will talk about certain symmetries between analytic P-ideals and Banach spaces with unconditional bases (e.g. I will give some examples of Banach spaces motivated by ideals and vice-versa). I will present a theorem saying that ideals induced by compact families of finite sets are not F_sigma (and I will show that one can strengthen Mazur's Lemma using this fact).
This is a joint work with Barnabas Farkas.

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