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#REDIRECT [[NTS_Fall_Semester_2025]]
= Number Theory / Representation Theory Seminar, University of Wisconsin - Madison =
= Number Theory / Representation Theory Seminar, University of Wisconsin - Madison =




*'''When:''' Thursdays, 2:30 PM – 3:30 PM, unless otherwise noted
*'''When:''' Thursdays, 2:30 PM – 3:30 PM, unless otherwise noted
*'''Where:''' '''Van Vleck B139''' or remotely
*'''Where:''' '''Van Vleck B321''' or remotely
*Please join the [https://mailhost.math.wisc.edu/mailman/listinfo/nts NT/RT mailing list:] (you must be on a math department computer to use this link).
*Please join the math NTS mailing list:  [[Mailto:mathnts+subscribe@g-groups.wisc.edu|mathnts+subscribe@g-groups.wisc.edu]]


There is also an accompanying [[NTSGrad|graduate seminar]], which meets on Tuesdays.<br>
There is also an accompanying [[NTSGrad|graduate seminar]], which meets on Tuesdays.<br>


The calendar for Spring 2024 is at [https://wiki.math.wisc.edu/index.php/NTS_Spring_Semester_2024 Spring 2024]
[[NTS Fall Semester 2025]]


=Past Semesters=
=Past Semesters=
You can find our Spring 2025 speakers in [[NTS Spring Semester 2025|Spring 2025]]
You can find our Fall 2024 speakers in [[NTS Fall Semester 2024|Fall 2024]]
You can find our Spring 2024 speakers in [[NTS Spring 2024|Spring 2024]]
You can find our Fall 2023 speakers in [https://wiki.math.wisc.edu/index.php/NTS_Fall_Semester_2023 Fall 2023]


You can find our Spring 2023 speakers in [https://wiki.math.wisc.edu/index.php/NTS_Spring_Semester_2023 Spring 2023]
You can find our Spring 2023 speakers in [https://wiki.math.wisc.edu/index.php/NTS_Spring_Semester_2023 Spring 2023]
Line 32: Line 43:
You can find our Fall 2018 speakers in [https://www.math.wisc.edu/wiki/index.php/NTS_Fall_2018_Semester Fall 2018].
You can find our Fall 2018 speakers in [https://www.math.wisc.edu/wiki/index.php/NTS_Fall_2018_Semester Fall 2018].


=Fall 2023 Semester=
 
Number Theory / Representation Theory Seminar, University of Wisconsin - Madison


<center>
* '''When:''' Thursdays, 2:30 PM – 3:30 PM, unless otherwise noted
* '''Where:''' '''Van Vleck B321''' or remotely
* Please join the math NTS mailing list:  <nowiki>[[1]]</nowiki>


{| style="color:black; font-size:120%" border="0" cellpadding="14" cellspacing="5"
{| class="wikitable"
|'''Date'''
|'''Speaker''' (click for homepage)
|'''Title''' (click for abstract)
|-
|Sep 11
|Robert Lemke Oliver (UW Madison)
|[[NTS ABSTRACTFall2025#Sep%2011|Enumerating Galois extensions of number fields]]
|-
|Sep 18
|Jiacheng Xia (UW Madison)
|[[NTS ABSTRACTFall2025#Sep 18|Isogenies between reductions of]]
[[NTS ABSTRACTFall2025#Sep 18|elliptic curves with complex multiplication]]
|-
|Sep 25
|Asif Zaman (Toronto)
|
|-
|-
| bgcolor="#D0D0D0" width="300" align="center" |'''Date'''
|Oct 2
| bgcolor="#F0A0A0" width="300" align="center" |'''Speaker''' (click for homepage)
|Daniel Le (Purdue)
| bgcolor="#BCD2EE" width="300" align="center" |'''Title''' (click for abstract)
|
|-
|-
| bgcolor="#E0E0E0" align="center" |Sept 7
|Oct 9
| bgcolor="#F0B0B0" align="center" |Jiaqi Hou (Madison)
|Yingkun Li (UW Madison)
| bgcolor="#BCE2FE" | [https://www.math.wisc.edu/wiki/index.php/NTS_ABSTRACTFall2023#Sept_7 Restrictions of eigenfunctions on arithmetic hyperbolic 3-manifolds]
|
|-
|-
| bgcolor="#E0E0E0" align="center" |Sept 14
|Oct 16
| bgcolor="#F0B0B0" align="center" |Ruofan Jiang (Madison)
|
| bgcolor="#BCE2FE" |[https://www.math.wisc.edu/wiki/index.php/NTS_ABSTRACTFall2023#Sept_14 mod p analogue of Mumford-Tate and André-Oort conjectures for GSpin Shimura varieties]
|
|-  
|-
| bgcolor="#E0E0E0" align="center" |Sept 21
|Oct 23
| bgcolor="#F0B0B0" align="center" |[https://math.uchicago.edu/~iorga/ Andreea Iorga] (U Chicago)
|Qiao He (Columbia)
| bgcolor="#BCE2FE" |[https://www.math.wisc.edu/wiki/index.php/NTS_ABSTRACTFall2023#Sept_21 Realising certain semi-direct products as Galois groups]
|
|-  
|-
| bgcolor="#E0E0E0" align="center" |Sept 28
|Oct 30
| bgcolor="#F0B0B0" align="center" |
|Hao Peng (MIT)
| bgcolor="#BCE2FE" |
| [[NTS ABSTRACTFall2025#Oct%2030|Beilinson-Bloch-Kato conjecture for polarized motives]]
|-
|-
| bgcolor="#E0E0E0" align="center" |Oct 5
|Nov 6
| bgcolor="#F0B0B0" align="center" |[https://sites.google.com/view/zqyang Ziquan Yang] (UW Madison)
|
| bgcolor="#BCE2FE" |[https://www.math.wisc.edu/wiki/index.php/NTS_ABSTRACTFall2023#Oct_05 Arithmetic Deformation of Line Bundles]
|
|-  
|-
| bgcolor="#E0E0E0" align="center" |Oct 12
|Nov 13
| bgcolor="#F0B0B0" align="center" |Baiqing Zhu (Columbia)
|
| bgcolor="#BCE2FE" |[https://www.math.wisc.edu/wiki/index.php/NTS_ABSTRACTFall2023#Oct_12 Arithmetic Siegel-Weil formula on the modular curve X_0(N)]
|
|-
|-
| bgcolor="#E0E0E0" align="center" |Oct 19
|Nov 20
| bgcolor="#F0B0B0" align="center" |Jordan Ellenberg
|
| bgcolor="#BCE2FE" |What is the mod n Selmer group of a random quadratic twist of an abelian variety over a function field?
|
|-
|-
| bgcolor="#E0E0E0" align="center" |Oct 26
|Dec 4
| bgcolor="#F0B0B0" align="center" |Simon Marshall
|
| bgcolor="#BCE2FE" |[https://www.math.wisc.edu/wiki/index.php/NTS_ABSTRACTFall2023#Oct_26 Large values of eigenfunctions on hyperbolic manifolds]
|
|-  
|-
| bgcolor="#E0E0E0" align="center" |Nov 2
|Dec 11
| bgcolor="#F0B0B0" align="center" |Tonghai Yang
|
| bgcolor="#BCE2FE" |[https://www.math.wisc.edu/wiki/index.php/NTS_ABSTRACTFall2023#Nov_2 Regularized theta lifting and Complex Multiplication]
|
|-  
|-
| bgcolor="#E0E0E0" align="center" |Nov 9
|Dec 18
| bgcolor="#F0B0B0" align="center" |[https://tungprime.github.io/ Tung Nguyen] (University of Western Ontario)
|
| bgcolor="#BCE2FE" |[https://www.math.wisc.edu/wiki/index.php/NTS_ABSTRACTFall2023#Nov_9 On the arithmetic of Fekete polynomials of principal Dirichlet characters]
|
|-  
| bgcolor="#E0E0E0" align="center" |Nov 16
| bgcolor="#F0B0B0" align="center" |Maksym Radziwill (Northwestern)
| bgcolor="#BCE2FE" |[https://www.math.wisc.edu/wiki/index.php/NTS_ABSTRACTFall2023#Nov_16 Gap disribution of <math>\sqrt{n}</math> modulo 1 and the circle method]
|-  
| bgcolor="#E0E0E0" align="center" |Nov 23
| bgcolor="#F0B0B0" align="center" |Thanksgiving - no seminar
| bgcolor="#BCE2FE" |
|-  
| bgcolor="#E0E0E0" align="center" |Nov 30
| bgcolor="#F0B0B0" align="center" |
| bgcolor="#BCE2FE" |
|-  
| bgcolor="#E0E0E0" align="center" |Dec 7
| bgcolor="#F0B0B0" align="center" |Chengyang Bao (U Chicago)
| bgcolor="#BCE2FE" |
|-
 
 
 
 
 
|-
|}
|}
</center>
*to be confirmed


<br>


  *to be confirmed
   


= Organizer contact information =
= Organizer contact information =


Ziquan Yang zyang352@wisc.edu
Shiva Chidambaram  chidambaram3@wisc.edu
 
Jiacheng Xia  jxia79@wisc.edu


= VaNTAGe =
= VaNTAGe =

Latest revision as of 06:27, 11 September 2025

Redirect to:

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

  • When: Thursdays, 2:30 PM – 3:30 PM, unless otherwise noted
  • Where: Van Vleck B321 or remotely
  • Please join the math NTS mailing list: [[1]]

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

NTS Fall Semester 2025

Past Semesters

You can find our Spring 2025 speakers in Spring 2025

You can find our Fall 2024 speakers in Fall 2024

You can find our Spring 2024 speakers in Spring 2024

You can find our Fall 2023 speakers in Fall 2023

You can find our Spring 2023 speakers in Spring 2023

You can find our Fall 2022 speakers in Fall 2022

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.


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

  • When: Thursdays, 2:30 PM – 3:30 PM, unless otherwise noted
  • Where: Van Vleck B321 or remotely
  • Please join the math NTS mailing list: [[1]]
Date Speaker (click for homepage) Title (click for abstract)
Sep 11 Robert Lemke Oliver (UW Madison) Enumerating Galois extensions of number fields
Sep 18 Jiacheng Xia (UW Madison) Isogenies between reductions of

elliptic curves with complex multiplication

Sep 25 Asif Zaman (Toronto)
Oct 2 Daniel Le (Purdue)
Oct 9 Yingkun Li (UW Madison)
Oct 16
Oct 23 Qiao He (Columbia)
Oct 30 Hao Peng (MIT) Beilinson-Bloch-Kato conjecture for polarized motives
Nov 6
Nov 13
Nov 20
Dec 4
Dec 11
Dec 18 
*to be confirmed



Organizer contact information

Shiva Chidambaram chidambaram3@wisc.edu

Jiacheng Xia jxia79@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


Return to the Algebra Group Page

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