# Number Theory / Representation Theory Seminar, University of Wisconsin - Madison

• When: Thursdays, 2:30 PM – 3:30 PM
• Where: Van Vleck B235 or remotely
• Please join the NT/RT mailing list: (you must be on a math department computer to use this link).

There is also an accompanying graduate seminar, which meets on Tuesdays.

You can find our Spring 2022 speakers in Spring 2022.

You can find our Fall 2021 speakers in Fall 2021.

You can find our Spring 2021 speakers in Spring 2021.

You can find our Fall 2020 speakers in Fall 2020.

You can find our Spring 2020 speakers in Spring 2020.
You can find our Fall 2019 speakers in Fall 2019.
You can find our Spring 2019 speakers in Spring 2019.
You can find our Fall 2018 speakers in Fall 2018.

# Fall 2021 Semester

 Date Speaker (click for homepage) Title (click for abstract) Sep 9 Anwesh Ray Arithmetic statistics and diophantine stability for elliptic curves Sep 16 Qiao He Kudla-Rapoport conjecture at a ramified prime Sep 23 Boya Wen A Gross-Zagier Formula for CM cycles over Shimura Curves Sep 30 Wanlin Li Arithmetic local systems Oct 7 Ziquan Yang Arithmetic isogenies between K3 surfaces and the Hecke orbit conjecture Oct 14 Asvin Gothandaraman The variation of the characteristic polynomial in l-adic towers Oct 21 Chi-Yun Hsu Partial classicality of Hilbert modular forms Oct 28 Yotam Hendel A number theoretic characterization of (FRS) morphisms: uniform estimates over finite rings of the form Z/p^kZ Nov 4 Junho Peter Whang Decidability of integral points on some moduli spaces Nov 11 Gunther Cornelissen Is there a Prime Number Theorem in algebraic groups? Nov 18 Yunqing Tang The unbounded denominators conjecture Nov 25 Thanksgiving holiday (no talk) Dec 2 Jingwei Xiao A relative trace formula approach to Unitary Friedberg-Jacquet periods Dec 9 Yingkun Li Algebraicity of higher Green functions at CM points Dec 16 Ananth Shankar

*to be confirmed


# Organizer contact information

Yousheng Shi Yousheng Shi:shi58@wisc.edu

# VaNTAGe

This is a virtual math seminar on open conjectures in number theory and arithmetic geometry. The seminar will be presented in English at (1 pm Eastern time)=(10 am Pacific time), every first and third Tuesday of the month. The Math Department of UW, Madison broadcasts the seminar in the math lounge room at Room 911, Van Vleck Building. For more information, please visit the official website: VaNTAGe

# New Developments in Number Theory

This is a new seminar series that features the work of early career number theorists from around the globe. For more information, please visit the official website: NDNT