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Weighting methods are essential tools for estimating causal effects in observational studies, with the goal of balancing pre-treatment covariates across treatment groups. Traditional approaches pursue this objective indirectly, for example, via...

Despite only comprising about a quarter of the total population of Canada, foreign-born individuals bear about three-quarters of the burden of active tuberculosis (TB) cases. To investigate the impact of immigration on the burden of TB among foreign...

Every quantitative strategy has a lifecycle. It gets discovered, deployed, crowded, and eventually either dies or evolves. These phases are only obvious in hindsight. Living through them, you never know which one you're in. This talk replays the...

Abstract TBA

In arithmetic geometry, local-to-global principles capture the ways in which one approaches difficult "global" questions over number fields by studying their "local" analogues over $p$-adic fields. These principles often fail for questions about the...

A brief introduction to information theory

Abstract TBA

Robert McCann of the University of Toronto has been awarded the 2026 CRM-Fields-PIMS Prize and will deliver the prize lecture on March 20 at 12:30 PM PT / 3:30 PM ET. In the words of the selection committee, Professor McCann “was awarded the CRM...

To compute the quantum dynamics of a molecule's electrons, one tractable way to proceed is via time-dependent density functional theory (TDDFT). TDDFT gives equations of motion that, in principle, yield the same electron density as the full but...

Infectious diseases such as tuberculosis, African swine fever virus (ASFV), and highly pathogenic influenza viruses continue to affect millions of people and animals worldwide. Developing vaccines or antiviral drugs against these pathogens...