Past Events

E.g., Apr 26, 2025

Marnie Smith

University of Cambridge
Phase mixing for the Hartree equation and Landau damping in the semiclassical limit

April 24, 2025

ESB 4133

This talk focuses on the long-time behaviour of the Hartree equation near translation-invariant steady states, under short-range interaction potentials satisfying the Penrose stability condition. Phase-mixing estimates will be presented, showing decay of the density and scattering of solutions... Read more

  • Mathematical Physics

Dr. Chapin Korosec

York University
Math-Bio: Modelling the immune system response to vaccination

April 23, 2025

ESB4133

Following a vaccine inoculation or disease exposure an immune response develops in time, where the description of its time evolution poses an interesting problem in dynamical systems. The principal goal of theoretical immunology is to construct models capable of describing long term... Read more

  • Mathematical Biology

Dr. Chapin Korosec

York University
Math-Bio: Modelling the immune system response to vaccination

April 23, 2025

ESB4133

Following a vaccine inoculation or disease exposure an immune response develops in time, where the description of its time evolution poses an interesting problem in dynamical systems. The principal goal of theoretical immunology is to construct models capable of describing long term... Read more

  • Mathematical Biology

Tom Wessel

University of Tuebingen
Equality of magnetization and edge current for interacting lattice fermions at positive temperature

April 17, 2025

ESB 4133

In this talk we study interacting fermions on a discrete finite lattice subject to a homogeneous magnetic field at positive temperature. One prime example of such systems is the Hofstadter-Hubbard model. We show that the magnetization is equal to the edge current in the thermodynamic limit if... Read more

  • Mathematical Physics

Stephen Scully

University of Victoria
On the holes in I^n for symmetric bilinear forms in characteristic 2

April 7, 2025

The Witt ring of a field $F$ is an algebraic object that captures much of the essential information about the totality of finite-dimensional symmetric bilinear forms over $F$. In the 60s, it was observed by A. Pfister and J. Milnor that many central questions in the study of such forms over... Read more

  • Algebra and Algebraic geometry

Sophie Morin

Corpus Christi College Vancouver
Lessons from two years as a sessional instructor at a transfer college

April 4, 2025

ESB 2012 and Zoom

Since defending my PhD in the UBC Mathematics Department in 2023, I have worked as a sessional instructor both at UBC and at Corpus Christi College, which is one of UBC’s affiliate colleges, located at the northeast corner of campus. At UBC, I taught three semesters of an academic and scientific... Read more

Dr. Asher Leeks

UBC Zoology
Math-Bio: The Social Lives of Viruses

April 2, 2025

ESB4133

Viral infections are social processes. Viral replication requires shared gene products that can be used by multiple viral genomes within the same cell, and hence act as public goods. This gives rise to viral cheats, a type of molecular parasite formed by large deletions, that spread by... Read more

  • Mathematical Biology

Dr. Asher Leeks

UBC Zoology
Math-Bio: The Social Lives of Viruses

April 2, 2025

ESB4133

Viral infections are social processes. Viral replication requires shared gene products that can be used by multiple viral genomes within the same cell, and hence act as public goods. This gives rise to viral cheats, a type of molecular parasite formed by large deletions, that spread by... Read more

  • Mathematical Biology

Jens Malmquist

UBC
Towards a characterization of elliptic Harnack inequality for jump processes

April 2, 2025

Let $X$ be an isotropic unimodal L\'{e}vy jump process on $\mathbb{R}^d$. We develop probabilistic methods which in many cases allow us to determine whether $X$ satisfies the elliptic Harnack inequality (EHI), by looking only at the jump kernel of $X$, and its truncated second moments. Both our... Read more

  • Probability

Caleb Suan

UBC
Deformations of Special Structures in Dimensions 6 and 7

March 28, 2025

ESB 2012 and Zoom

Conifold transitions are a mechanism in which a Calabi-Yau 3-fold is deformed into another by contracting curves and smoothing out the resulting conical singularities. Reid's Fantasy conjectures that all Calabi-Yau 3-folds can be linked by a sequence of these transitions. It is further... Read more