Postdoc and PhD position in Algebraic Geometry in Leiden

The Mathematical Institute of Leiden University is looking for one postdoc (for 3 years) and one PhD candidate (for 4 years) to join the ERC project Enumerative and Arithmetic Geometry of Logarithmic Curves, working with David Holmes.

Moduli spaces of curves and abelian varieties play a central role in algebraic and arithmetic geometry, and can be studied from a variety of perspectives (modular curves, Shimura varieties, moduli spaces of flat structures, etc). This project brings together a number of these approaches with applications to problems in enumerative geometry (specifically log Gromov-Witten theory; counting curves with tangency conditions) and in arithmetic geometry (understanding rational points on abelian surfaces).

There are a number of promising directions for a PhD candidate within this project; exactly what you will be working on depends on your background and interests, as well as the progress which has already been made when you join the project.  

You will be joining an active and growing group around enumerative and log geometry, within a larger group in Leiden specialising in algebra, geometry and number theory. We run a lot of local reading groups, as well as taking part in national and international algebraic geometry seminars. There are many opportunities for collaboration, and our students generally attend plenty of national and international schools and workshops.

For further information and to apply for the Postdoc position, application deadline 01 December 2025.