Modular Forms and Arithmetic Geometry
TU Darmstadt, September 18-22, 2023

On the occasion of the 60th birthday of Tonghai Yang, we would like to bring together people from modular forms and arithmetic geometry to discuss recent advances in this conference.

TU Darmstadt, September 18-22, 2023

Speakers

Click the poster to download an A3 printable version of the poster.
Click the poster to download an A3 printable version of the poster.
  • Claudia Alfes-Neumann (Uni. Bielefeld)
  • Kathrin Bringmann (Uni. Cologne)
  • Jens Funke (Durham)
  • Wee Teck Gan (NUS)
  • Eyal Goren (McGill)
  • Dick Gross (UCSD)
  • Yueke Hu (Tsinghua)
  • Özlem Imamoglu (ETH)
  • Kristin Lauter (Facebook)
  • Chao Li (Columbia)
  • Wanlin Li (Washington Uni. St. Louis)
  • Andreas Mihatsch (Uni. Bonn)
  • Ken Ono (Uni. Virginia)
  • Michael Rapoport (Uni. Bonn)
  • Eugenia Rosu (Uni. Leiden)
  • Siddarth Sankaran (Uni. Manitoba)
  • Yunqing Tang (UC Berkeley)
  • Wei Zhang (MIT)

Here is the conference program booklet (opens in new tab) . The schedule is as below.

Monday, Sept. 18, 2023:

  • 09:00-10:00 – Registration–
  • 10:00-11:00 Ono: Variants of Lehmer’s Conjecture for Ramanujan’s Tau-function
  • 11:00-11:30 –Coffee Break–
  • 11:30-12:30 Alfes-Neumann: On harmonic weak Maass forms associated to even integer weight newforms
  • 12:30-14:30 –Lunch Break–
  • 14:30-15:30 Bringmann: Non-modular forms and their completions
  • 15:30-16:00 –Coffee Break–
  • 16:00-17:00 Sankaran: Derivatives of weight one Eisenstein series and the arithmetic Siegel-Weil formula

Tuesday, Sept. 19, 2023:

  • 09:00-9:30 – Registration–
  • 09:30-10:30 Rapoport: On the quasi-canonical Arithmetic Fundamental Lemma
  • 10:30-11:00 –Coffee Break–
  • 11:00-12:00 Mihatsch: 0-Cycles on twisted unitary Shimura varieties
  • 12:00-15:15 –Lunch Break–
  • 15:15-16:15 C. Li: Kudla-Rapoport conjecture for Krämer models
  • 16:15-17:00 –Coffee Break–
  • 17:00-18:00 Lauter: Curves, Cryptography, and Intersection Theory, a long history of collaboration and inspiration with Tonghai

Wednesday, Sept. 20, 2023:

  • 09:00-10:00 W. Li: Basic reductions of abelian varieties I
  • 10:00-10:15 –Break–
  • 10:15-11:15 Tang: Basic reductions of abelian varieties II
  • 11:15-11:45 –Coffee Break–
  • 11:45-12:45 Goren:Super special stories
  • 16:00-17:30 –Excursion–
  • 19:00-22:00 –Conference Dinner–

Thursday, Sept. 21, 2023:

  • 09:30-10:30 Zhang: Generic modularity for Shtuka special cycles
  • 10:30-11:00 –Coffee Break–
  • 11:00-12:00 Hu: The subconvexity problem for special values of L-functions
  • 12:00-15:00 –Lunch Break–
  • 15:00-16:00 Gan: Triality and Spin lifting for PGSp(6)
  • 16:00-16:30 –Coffee Break–
  • 16:30-17:30 Gross: The elliptic curve A(p)
  • 17:30-18:00 –Video Tributes–

Friday, Sept. 22, 2023:

  • 09:00-10:00 Funke: Jacobi-Weierstrass mock modular forms
  • 10:00-10:30 –Coffee Break–
  • 10:30-11:30 Rosu: Twists of elliptic curves and their L-functions
  • 11:30-11:45 – Break–
  • 11:45-12:45 Imamoglu: Some applications of a theorem of Hurwitz

There is a 25 euro registration fee for professors and postdocs. Students pays no registration fee. Here is the link to registerRegistration .

Participants please book the hotel yourself. Here is a list of possibilities.

For direction to the university, please see here.

Conference Photo (click to download original)
Conference Photo (click to download original)

Sponsors