Thu, 13 Nov 2014
11:00
C5

Convergence properties in Stone spaces

Robert Leek
((Oxford University)))
Abstract

In this talk, I will introduce an internal, structural 
characterisation of certain convergence properties (Fréchet-Urysohn, or 
more generally, radiality) and apply this structure to understand when 
Stone spaces have these properties. This work can be generalised to 
certain Zariski topologies and perhaps to larger classes of spaces 
obtained from other structures.

Thu, 30 Oct 2014
11:00
C5

"Decidability in extensions of F_p((t))";

Ben Rigler
(Oxford)
Abstract

"We consider certain distinguished extensions of the field F_p((t)) of formal Laurent series over F_p, and look at questions about their model theory and Galois theory, with a particular focus on decidability."

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