Three Minute Thesis Competition

The Oxford SIAM-IMA Student Chapter and Fridays@4 are excited to announce sign-ups for the Three Minute Thesis Competition are open.

Tue, 26 May 2026

12:00 - 13:00
C5

Understanding and mitigating the bias of Diffusion Posterior Sampling algorithm

Dr. Matias Delgadino
(University of Texas at Austin)
Abstract
We identify the bias in the Diffusion Posterior Sampling algorithm by the use of the classical Feynman-Kac formula. This analysis, the first of its kind, allows us to understand correction/improvements to the algorithm from first principles. We show how STSL, a better performing variant of DPS, can be derived from first principles using this analysis.


 

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Wed, 17 Jun 2026
14:00
N3.12

Mathematrix: End of term crafts

Abstract

Take a break at the end of term with some Mathematrix crafts and sweet treats! Supplies for watercolor and origami will be provided, and you are welcome to bring your own crafts. 

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Tue, 12 May 2026
12:00
N3.12

Mathematrix: International Women in Mathematics Day

Abstract

Everyone is invited to celebrate International Women in Mathematics Day with a pizza lunch! We will be watching ‘Journeys of Women in Mathematics’, a powerful 20-minute film by the International Mathematical Union showcasing the experiences of women mathematicians worldwide. It follows three mathematicians from India, Cameroon, and Brazil from their home institutions to the (WM)² international meeting, showing their research and what it’s like to be part of the global maths community.

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Survival and invasion dynamics in cell populations: an analytical framework for threshold behaviour in nonlinear age-structured models
 Abo, S Baker, R SIAM Journal on Life Sciences
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