Date & Time: Wednesday, February 13, 2013, 15:30-17:30.

Venue: Ramanujan Hall

Title:The art of irrationality proving

Speaker: Prof. Frits Beukers

Abstract: Although there are some methods to prove irrationality for large classes of numbers, in many interesting cases the proof is either very ad hoc or no proof is known. In this lecture we discuss a few instances, both old and new.