Wed, 21 Oct 2026

13:00 - 14:00
C4

Topological K-theory and D-branes

Oscar Lewis
(Mathematical Institute University of Oxford)
Abstract

How to mathematically describe the structure of D-brane charges in string theory turns out to be a surprisingly rich question. Stacking D-branes has a natural mathematical interpretation as summing vector bundles, but the mathematical analogue of brane-antibrane annihilation requires the sophisticated machinery of topological K-theory. In this talk I will present a physics-motivated introduction to the subject using the language of non-abelian gauge theory. 

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Wed, 21 Oct 2026

11:00 - 13:00
L4

TBA

Salvador Esquivel
((Mathematical Institute University of Oxford))
Abstract

TBA

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Cost-optimal transmission reduction in early pandemic response: a multi-objective health-economic modelling study across 110 countries
 Lee, J Chowell, G Mendoza, R Mendoza, V Thompson, R Jung, E (05 Oct 2026) doi:10.64898/2026.10.02.26363193

On the Origins of Riemann’s Hypothesis

On the Origins of Riemann’s Hypothesis - David E Rowe

Wednesday 28 October 2026, 5.00-6.00 pm, Andrew Wiles Building, Mathematical Institute, Oxford

David E. Rowe is Professor Emeritus for History of Mathematics and Natural Sciences at Johannes Gutenberg University in Mainz.

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On the origins of Riemann’s Hypothesis

Much has been written about the Riemann hypothesis, which many consider to be the most important unsolved problem in mathematics today which Riemann introduced in his famous 8-page paper from 1859. This talk aims to explain the motivation behind his paper, which only incidentally mentioned the Riemann hypothesis.
Photo of Andrew Wiles Building and Radcliffe Observatory

Oxford × QRT Labs welcomes first DPhil cohort and announces new Director

The University of Oxford has welcomed the first cohort of DPhil students to Oxford × QRT Labs, part of a long-term research initiative between Qube Research & Technologies (QRT) and the universities of Oxford, Cambridge and Imperial College London.

Four DPhil students make up Oxford × QRT Labs’ first cohort, with one researcher based in each of the Mathematical Institute, Department of Statistics, Department of Engineering Science and Department of Computer Science.

Wed, 25 Nov 2026

14:00 - 15:00
Quillen Room N3.12

DPhil Applications Q&A

(Mathematrix)
Abstract

Your chance to ask Mathematrix DPhil students about the process of applying to PhD programs, including written stages and interviews!

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Fri, 13 Nov 2026

12:00 - 13:00
N4.01

Craft Session

(Mathematrix)
Abstract

Make mathematical crafts and get to know other Mathematrix members! Materials provided.

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Wed, 28 Oct 2026

14:00 - 15:00
Quillen Room N3.12

Book Club: x+y

(Mathematrix)
Abstract

Join us to discuss x+y: A Mathematician's Manifesto for Rethinking Gender by Eugenia Cheng.

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