Email: frost at maths dot ox dot ac dot uk
05.2020 Surface cluster algebras and the perturbation series, Oxford
02.2020 Elementary proofs of BCJ and KLT, DAMTP
01.2020 Projective geometry, Queen’s college
11.2019 Cartan and Einstein, Black Hole Initiative
11.2018 Locally acyclic cluster algebras
05.2018 Veneziano amplitude and multiple zetas
12.2017 Correlators of spin fields
11.2017 Notes on ambitwistor spaces
10.2017 Hilbert schemes of points notes
05.2017 Floer cohomology
01.2017 Heat kernel expansions in GR
“Optics” course, for first year physics students: 2019 lectures, problem sets.
General relativity problem sets for B5, MPhys: warm-up problems, Schwarzschild, gravitational radiation, cosmology.