Universal autohomeomorphisms of $N^*$

Prelegent(ci)

Jan van Mill

Afiliacja

University of Amsterdam

Termin

17 listopada 2021 16:15

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Seminarium

Seminarium „Topologia i teoria mnogości”

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This is joint work with Klaas Pieter Hart.
We study the existence of universal autohomeomorphisms of $N^*$. We prove that CH implies there is such an autohomeomorphism and show that there are none in any model where all autohomeomorphisms of $N^*$ are trivial.

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• slides