Title : Ramsey actions and Gelfand duality in logic
Speaker: Willem Fouche
Affiliation: University of South Africa
Time: 14:00 Friday, 13 October, 2017
Location: MLT1/303-G23
Abstract
In this talk, we express Ramsey statements in finitary combinatorics in a categorical duality framework and indeed within Gelfand and Stone duality. We also discuss how these investigations lead to problems of independent interest towards understanding hyperstonean spaces, the Gelfand duals of commutative von Neumann algebras, from the viewpoint of a suitable Stone duality for quantum lattices.

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