A group blog on math, physics and philosophy

- Elmendorf's Theorem (Jun 27, 2018)
- I want to tell you about Elmendorf’s theorem on equivariant homotopy theory. This theorem played a key role in a recent preprint I wrote with Hisham Sati and Urs Schreiber: John Huerta, Hisham Sati, Urs Schreiber - Real ADE-equivariant…
- E
_{8}as the Symmetries of a PDE (May 12, 2016) - Work by Dennis The that expresses E
_{8}as the symmetries of an explicit PDE. - G
_{2}and the Rolling Ball (Jun 7, 2013) - I just returned from a month at Hong Kong University, visiting James Fullwood, an algebraic geometer who likes to think about the mathematics of string theory. There, I gave a colloquium on G2 and the rolling ball, a paper…
- Introducing the GR & QFT seminar (Sep 13, 2012)
- Here at the Australian National University, I’ve started running a seminar with Mathew Langford. Mat is a PhD student working on geometric analysis, specifically something called extrinsic curvature flow, but we both love mathematical physics, so we decided to…

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