Past Events
Scientific, Seminar
Discrete Math Seminar: Travis Scrimshaw
January 14, 2020
University of British Columbia
The cohomology ring of the Grassmannian, the set of k-dimensional subspaces in n-dimensional space, can be described by Schur functions, a symmetric function that are characters of the special linear Lie group. To study the K-theory ring, the...
Scientific, Seminar
Lethbridge Number Theory and Combinatorics Seminar
January 13, 2020
University of Lethbridge
Please bring your favourite (math) problems. Anyone with a problem to share will be given about 5 minutes to present it. We will also choose most of the speakers for the rest of the semester.
Scientific, Distinguished Lecture
UBC Math Department Colloquium: Ian Jauslin
January 10, 2020
University of British Columbia
Scientific, Seminar
Math Biology Seminar: Jummy Funke David
January 8, 2020
University of British Columbia
Different mathematical models (direct and indirect transmission models) were used to understand and analyze different infectious diseases dynamics and possible prevention and/or elimination strategies. As a first step, an age of infection model with...
Scientific, Seminar
Symplectic Geometry Seminar: Matthew Stoffregen
January 7, 2020
University of British Columbia
For periodic links, we show that the Khovanov space of Lipshitz-Sarkar admits a natural cyclic group action, and identify its fixed point set. As an application, we prove that the Khovanov homology (with coefficients in the field of p elements) of a...
Scientific, Seminar
SFU Theory Seminar: Vaishak Belle
December 12, 2019
Simon Fraser University
We consider the problem of answering queries about formulas of first-order logic based on background knowledge partially represented explicitly as other formulas, and partially represented as examples independently drawn from a fixed probability...
Scientific, Seminar
PIMS - URegina Topology Seminar: Apurva Nakade
December 11, 2019
University of Regina
I will talk about applying manifold calculus to study the Lagrangian embeddings in a symplectic manifold. Using Gromov's h-principle for directed embeddings, we will prove that the analytic approximation of the Lagrangian embeddings functor is the...
Scientific, Seminar
PIMS-SFU Applied & Computational Math Seminar: Boris Hanin
December 9, 2019
Simon Fraser University
Neural networks are remarkable families of non-linear functions that form the backbone for state-of-the-art algorithms in tasks from computer vision (self-driving cars), natural language processing (Google Translate) and reinforcement learning...
Scientific, Seminar
UW-PIMS Mathematics Colloquium: Jun-Cheng Wei
December 6, 2019
University of Washington
I will discuss recent new developments in De Giorgi Conjecture for Allen-Cahn equation. In dimensions up to 10, we shall establish the C2,α estimates of level sets for stable solutions of Allen-Cahn. By applying reverse gluing method we show that the...
Scientific, Seminar
Topology Seminar: Antonio Alfieri
December 4, 2019
University of British Columbia
Lattice cohomology is a combinatorial invariant of isolated singularities of complex surfaces introduced by Ozsvath Stipsicz and Szabo, and independently by Nemethi. The construction, inspired by Heegaard Floer homology, was recently employed by...