Set theory workshop

Menachem Magidor
Hebrew University of Jerusalem
Compactness for chromatic numbers and other cardinal sins, part 2
Abstract: A compactness principle is a statement of the form: If every small substructure of a given structure has a certian property, then the whole structure has this property. In this tutorial we shall deal with the property "The graph G has chromatic number <= \kappa". We shall connect this property with other set theoretical principles, like reflection of stationary sets, give some consistency results using large cardinals and list some interesting open problems.
Thursday October 20, 2016 at 11:30 AM in SEO 636
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