Seminars and colloquia

E.g., Jan 12, 2026

Joshua Turner

UBC
Haiman ideals, link homology, and affine Springer fibers

January 12, 2026 - 3:00 pm to 4:00 pm

MATH 126

We will discuss a class of ideals in a polynomial ring studied by Mark Haiman in his work on the Hilbert scheme of points and discuss how they are related to homology of affine Springer fibers, Khovanov-Rozansky homology of links, and to a conjecture by Oblomkov, Rasmussen, ... Read more
  • Algebra and Algebraic geometry

Valentina Zapata Castro

U Mass Amherst
Model categories in a grid

January 13, 2026 - 1:00 pm to 2:00 pm

Model categories provide a powerful framework for abstract homotopy theory, but their complexity often makes them difficult to classify. By focusing on finite categories, especially grids, we gain a combinatorial setting where the problem becomes explicit. In this talk, we ... Read more
  • Topology

Puneet Velidi

University of Victoria
Math-Bio: Applications of Protein Folding Models in Immunotherapeutic Research

January 14, 2026 - 2:00 pm to 3:00 pm

ESB 4133

Advances in protein folding and structure prediction models have enabled new computational approaches to immunotherapeutic research by providing access to high-quality structural information at scale. In this talk, we present three core application areas. (1) Antigen structure ... Read more
  • Mathematical Biology

Puneet Velidi

University of Victoria
Math-Bio: Applications of Protein Folding Models in Immunotherapeutic Research

January 14, 2026 - 2:00 pm to 3:00 pm

ESB 4133

Advances in protein folding and structure prediction models have enabled new computational approaches to immunotherapeutic research by providing access to high-quality structural information at scale. In this talk, we present three core application areas. (1) Antigen structure ... Read more
  • Mathematical Biology

Pablo Shmerkin

UBC
Dimension of overlapping self-similar and self-conformal sets

January 15, 2026 - 4:00 pm to 5:30 pm

ESB 4133 (PIMS Library)

One of the main problems in fractal geometry is computing the dimension of self-similar and self-conformal (cookie-cutters) when there are complicated overlaps. The exact overlaps conjecture predicts that, at least in the analytic case, the dimension is the "expected one" (the ... Read more

Inwon Kim (Host: Deanna Needell. Hugh C. Morris sponsored lecture (via PIMS))

UCLA
Supercooled Stefan problem: fine properties of the interface

January 16, 2026 - 3:00 pm to 4:00 pm

ESB 2012 and Zoom

Supercooled Stefan problem describes freezing of supercooled water into Ice. In contrast to the melting of ice, the problem is well-known to be unstable. In particular the ice-water interface develops finite-time singularities including jumps and cusps, generating infinitely ... Read more

Dragos Ghioca

UBC
Unlikely intersection questions in arithmetic dynamics

January 19, 2026 - 3:00 pm to 4:00 pm

MATH 126

Given an abelian variety G defined over a field of characteristic 0, the intersection between a subvariety X of G with another subvariety Y of G for which dim(X) + dim(Y) < dim(G) is generally expected to be empty. Rooted in this basic observation, Pink-Zilber and Bombieri- ... Read more
  • Algebra and Algebraic geometry

Sung-Hong Min

Chungnam National University, Korea
An overdetermined problem in a weakly star shaped annular domain in space forms

January 20, 2026 - 3:30 pm to 5:00 pm

ESB 4133 (PIMS library)

We obtain symmetry results of the solution to some overdetermined problems related to the eigenvalue equation on a weakly star shaped annular domain in space forms. If the associated P-function is constant on the boundary, then we get a Serrin type symmetry. To justify the ... Read more
  • Differential geometry
  • Mathematical Physics
  • Partial Differential Equations

Jiwoon Park


Finite-size scalings of the Euclidean φ4 model at and above the critical dimension

January 21, 2026 - 3:30 pm to 4:30 pm

ESB 2012

The study of finite-size scaling in systems at and above their upper critical dimension, particularly concerning the breaking of the hyperscaling relation. For models in the Ising universality class Renormalisation Group (RG) arguments—such as those by Brézin and Zinn-Justin ( ... Read more
  • Probability

Vinod Vaikuntanathan

MIT
PIMS network-wide colloquium: Vinod Vaikuntanathan

January 22, 2026 - 1:30 pm

Zoom