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Rudin's conjecture on Dowker spaces of size $\aleph_1$
A Dowker space is a normal topological space $\mathbb X$ whose product with the unit interval $\mathbb X\times[0,1]$ is not normal. Rudin's conjecture. There exists a Dowker space…
Conjectureopendowker-spaces set-theoretic-topologyarXiv posted 2 days ago

Rudin's conjecture on Dowker spaces of size ℵ1\aleph_1ℵ1​