Number Theory and Representation Theory

Organizers: Peter Dillery, Tom Haines, and Niranjan Ramachandran

When: Monday or Wednesday @ 2pm
Where: generally in MTH 3206, see below

Starting fall of 2021 the seminar will be hybrid. When possible it will be held in person in the Colloquium Room (3206) of the mathematics department. In additition it will be sometimes be available live on Zoom. The password is the first six Fibonacci numbers (starting at 0). University of Maryland users will be admitted directly. Other users should use their first and last names, and will be admitted from the waiting room. In many cases the video and/or slides will be available on this page following the lecture.

In Fall 2023, the seminar will generally be in MTH 3206 except on certain dates when the room is booked for something else; these dates will be announced here.

Algebraic Geometry Seminar

Johns Hopkins-University of Maryland Algebra and Number Theory Day

This year's Maryland Distinguished Lectures in Algebra and Number Theory  will be held March 26-28, 2025. Our speaker will be Davesh Maulik (MIT). Further details TBA.

Videos and Slides Fall 2023 to Spring 2024:

Here is the link to the archived Lie Groups and Representation Theory Seminar, which ran until Spring 2023.

Archives: F2023-S2024 

  • A prismatic approach to special values of zeta functions

    Speaker: Logan Hyslop (UCLA) - https://loganhyslop.github.io/

    When: Wed, September 4, 2024 - 2:00pm
    Where: Kirwan Hall 3206
  • Non-basic rigid packets for discrete L-parameters

    Speaker: Peter Dillery (UMD) -

    When: Mon, September 9, 2024 - 2:00pm
    Where: Kirwan Hall 3206
  • Quasisemisimple actions on reductive groups and buildings (joint with Adler and Lansky)

    Speaker: Loren Spice (TCU) -

    When: Wed, September 11, 2024 - 2:00pm
    Where: Kirwan Hall 3206
  • On the Hasse-Weil zeta functions of Kottwitz simple Shimura varieties

    Speaker: Tom Haines (UMCP) -

    When: Mon, September 16, 2024 - 2:00pm
    Where: Kirwan Hall 3206
  • The stable wavefront set of theta representations

    Speaker: Edmund Karasiewicz (NUS) -

    When: Wed, September 25, 2024 - 2:00pm
    Where: Kirwan Hall 0305 (note special room)
  • Ultra-Galois theory, and an analogue of the Kronecker-Weber theorem for rational function fields over ultra-finite fields

    Speaker: Dong Quan Ngoc Nguyen (UMD) - https://www-math.umd.edu/people/postdocs-and-visitors/item/1771-dongquan.html

    When: Mon, September 30, 2024 - 2:00pm
    Where: Kirwan Hall 3206
  • Representations of p-adic groups: Reducing problems to the depth-zero case (Note unusual day and location)

    Speaker: Jeff Adler (American University) -

    When: Fri, November 8, 2024 - 2:00pm
    Where: Kirwan Hall 1308
  • Elliptic Witt vectors

    Speaker: James Borger (Australian National University/Columbia University) - https://maths-people.anu.edu.au/~borger/

    When: Mon, November 11, 2024 - 2:00pm
    Where: Kirwan Hall 3206
  • Asymptotic Fundamental Lemma I

    Speaker: Griffin Wang (IAS) - https://math.griffin.wang/

    When: Mon, November 18, 2024 - 2:00pm
    Where: Kirwan Hall 3206
  • Asymptotic Fundamental Lemma II

    Speaker: Griffin Wang (IAS) - https://math.griffin.wang/

    When: Wed, November 20, 2024 - 2:00pm
    Where: Kirwan Hall 1311
  • Poincaré Duality in p-adic Analytic Geometry

    Speaker: Bogdan Zavyalov (Princeton University) - https://bogdanzavyalov.com/

    When: Tue, November 26, 2024 - 3:30pm
    Where: Kirwan Hall 3206
  • Riemann--Hilbert correspondence: from complex analysis to p-adic geometry

    Speaker: Haoyang Guo (University of Chicago) - https://sites.google.com/umich.edu/hyg

    When: Wed, December 4, 2024 - 3:30pm
    Where: Kirwan Hall 3206
  • Eisenstein cocycles for imaginary quadratic fields

    Speaker: Romyar Sharifi (UCLA) - https://www.math.ucla.edu/~sharifi/

    When: Mon, December 9, 2024 - 2:00pm
    Where: Kirwan Hall 3206
  • Graded affine Hecke algebras, residues and unitary representations

    Speaker: Eric Opdam (University of Amsterdam) - https://staff.fnwi.uva.nl/e.m.opdam/

    When: Wed, December 11, 2024 - 2:00pm
    Where: Kirwan Hall 3206
  • An Equivariant Main Conjecture in Iwasawa Theory and Applications

    Speaker: Cristian Popescu (UCSD and IAS Princeton) - https://mathweb.ucsd.edu/~cpopescu/

    When: Fri, December 13, 2024 - 2:00pm
    Where: Kirwan Hall 3206
  • Maximal cliques of sets of strongly orthogonal roots

    Speaker: Qëndrim Gashi (UMCP) -

    When: Wed, February 5, 2025 - 2:00pm
    Where: Kirwan Hall 3206
  • Algebraic cycles and the Hitchin fibration

    Speaker: Davesh Maulik (MIT) - https://math.mit.edu/~maulik/

    When: Thu, March 27, 2025 - 2:00pm
    Where: Kirwan Hall 3206
  • D-equivalence conjecture for hyperkahler varieties of K3^[n] type.

    Speaker: Davesh Maulik (MIT) - https://math.mit.edu/~maulik/

    When: Fri, March 28, 2025 - 2:00pm
    Where: Kirwan Hall 3206
  • Investigating singularities of moduli spaces with analytic number theory

    Speaker: Matthew Hase-Liu (Columbia University) - https://www.math.columbia.edu/~mhaseliu/index.html

    When: Mon, March 31, 2025 - 2:00pm
    Where: Kirwan Hall 3206
  • Discriminants and motivic integration

    Speaker: Oscar Kivinen (Aalto University) - https://math.aalto.fi/~kivineo3/

    When: Wed, April 23, 2025 - 2:00pm
    Where: Kirwan Hall 3206
  • Gm-equivariant degenerations of del Pezzo surfaces

    Speaker: Junyao Peng (Princeton University) -

    When: Mon, April 28, 2025 - 2:00pm
    Where: Kirwan Hall 3206
  • Local models and nearby cycles for $\Gamma_1(p)$-level

    Speaker: Tom Haines (UMCP) -

    When: Wed, April 30, 2025 - 2:00pm
    Where: Kirwan Hall 3206
  • A tale of two congruences

    Speaker: Dinesh Thakur (University of Rochester) - https://people.math.rochester.edu/faculty/dthakur2/

    When: Mon, May 5, 2025 - 2:00pm
    Where: Kirwan Hall 3206
  • Hilbert scheme of points on threefolds

    Speaker: Ritvik Ramkumar (Cornell University) - https://sites.google.com/view/ritvikramkumar/home?authuser=0

    When: Mon, May 12, 2025 - 2:00pm
    Where: Kirwan Hall 3206
  • TBA (Engel)

    Speaker: Philip Engel (UIC) - https://philip-engel.github.io/

    When: Wed, May 14, 2025 - 2:00pm
    Where: Kirwan Hall 3206
  • Explicit candidates for the arithmetic transfer conjecture in the ramified setting.

    Speaker: Thomas Rud (MIT) - https://math.mit.edu/~rud/

    When: Fri, May 16, 2025 - 4:00pm
    Where: Kirwan Hall 3206