Bill Chen: A small Dowker space

BIU seminar in Set Theory

Speaker: Bill Chen (BGU)

There will be two talks: November 27 and December 4.

First talk: A small Dowker space, part 1

Abstract. A topological space is said to be “Dowker” if it is normal but its product with the unit interval is not normal. In this lecture, we shall present a construction, due to Balogh, of a Dowker space of size continuum.

Second talk: A small Dowker space, part 2

Abstract. Last week, we presented an approach for constructing a Dowker space of size continuum, ending up with a statement of a lemma that would yield such a space. In this talk, we shall prove this lemma.

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