International Mathematical Olympiad 2006

This year the International Mathematical Olympiad took place in Slovenia. I participated as one of the organizers (problem selection and coordination). It was probably one of the busiest and most exciting times of my life,

Continuity Begets Continuity (Frauenwörth slides)

With Alex Simpson.

Abstract: We present a constructive meta-theorem about sequential continuity which allows us to conclude from a constructive proof of existence of a function between complete metric spaces satisfying a given system of (functional) equations that there also exists a sequentially continuous function satisfying the system.

Presented at: Trends in Constructive mathematics, Frauenwörth am Chimsee, [...]