New salad boxes:

Blenheim Beet Bowl (beetroot houmous, falafel & grains (VE))

Queen’s Quinoa (quinoa, spinach & feta cheese (VE))

Sheldonian Caesar (chicken & bacon caesar salad)

And a new range of ice creams now in.

Image: Cocktail set of chrome-plated steel by Norman Bel Geddes

The Oxford Numerical Modelling Society (OxNuMoS) is a new initiative with the goal of bringing together like-minded, passionate early-career researchers from a range of diverse disciplines (right across the MPLS division) to exchange individual experiences on the fundamentals of complex computational modelling. 

Researchers interested in joining should contact @email

Thu, 15 May 2025
16:00
Lecture Room 4, Mathematical Institute

Sums along binary cubic forms

Mayank Pandey
(Princeton)
Abstract

We discuss ongoing work with Joseph Leung in which we obtain estimates for sums of Fourier coefficients of GL(2) and certain GL(3) automorphic forms along the values of irreducible binary cubics.

Lorentzian Gromov-Hausdorff convergence and pre-compactness
Mondino, A Sämann, C (14 Apr 2025)
Mon, 05 May 2025
16:00
L6

Modular arithmetic in the lambda-calculus

Maximilien Mackie
(University of Oxford)
Abstract

The lambda-calculus was invented to formalise arithmetic by encoding numbers and operations as abstract functions. We will introduce the lambda-calculus and present two encodings of modular arithmetic: the first is a recipe to quotient your favourite numeral system, and the second is purpose-built for modular arithmetic. A highlight of the second approach is that it does not require recursion i.e., it is defined without fixed-point operators. If time allows, we will also give an implementation of the Chinese remainder theorem which improves computational efficiency. 

A freǐman-type theorem for locally compact abelian groups
Sanders, T Annales de l'Institut Fourier volume 59 issue 4 1321-1335 (01 Jan 2009)
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