Language:           This lecture will be held in English
Place:                   Oort Building (ground floor), Niels Bohrweg 2, Leiden

The Lorentz Workshop 'Moduli Spaces and Arithmetic Geometry ' is organized to celebrate the 80th birthday of the mathematician Frans Oort, who is truly a paterfamilias of the Algebraic Geometry community in the Netherlands and beyond.

As part of this workshop, the program for the afternoon of Thursday 12 November 2015 consists of two lectures aimed at a broader audience of mathematicians. We are much honored to have Aise Johan de Jong and Don Zagier as speakers this afternoon. The afternoon is concluded with a reception. Everyone interested is cordially invited.

14:00 -- 15:00 Aise Johan de Jong (title TBA)
15:00 -- 15:30 coffee break
15:30 -- 16:30 Don Zagier (title TBA)
16:30 -- 18:00 reception