Montreal Solar Eclipse
Number Theory Days

McGill University, Montreal
April 8-9, 2024

About this event:

The inaugural Solar Eclipse Number Theory Days aims to foster a tradition of number theory gatherings during total solar eclipses in Montreal.


Pierre Colmez (Paris)
Fred Diamond (Kings College)
Michael Groechenig (Toronto)
Kiran Kedlaya (UCSD)
Jackie Lang (Temple)

Scientific Program

Monday, April 8.

1:00-2:00 PM, in Burnside Hall 920
Fred Diamond
Geometric Serre weights for Hilbert modular forms: cycles, rings and umbrae

2:14:28. Beginning of the solar eclipse.
The astronomers are organising a eclipse viewing party on the McGill campus.
More about it here.
4:26:50. End of solar eclipse.

4:30-5:30 PM, in Burnside Hall 1205
Jackie Lang
Counting mod l congruences in level p^2 when l divides (p+1)

Tuesday, April 9.

9:00-10:00 AM, in Burnside Hall 920
Kiran Kedlaya
Hypergeometric L-functions and how to compute them

10:30-11:30 AM, in Burnside Hall 920
Michael Groechenig
Non-archimedean integrals and plethystic logarithms

12:00-2:30. Lunch Break.

2:30-3:30 PM, in Otto Maass 10
Pierre Colmez
On the factorization of the system of Beilinson-Kato

Henri Darmon (McGill University)
Eyal Goren (McGill University)