In the piece, the argument of string theory critics is given as: ...

A few weeks ago I recorded a podcast with Robinson Erhardt, which has now appeared as String Theory and the Crisis in Physics. We mainly talk about the current situation of string theory in physics ...

We meet on Mondays from 2:40pm to 4pm in room 528 to go over lecture notes in Hyperbolic PDEs and General Relativity and present recent interesting preprints.

Schedule: The class meets once weekly. Topics and readings for each session are listed below. This course is being taught by two senior faculty members who are theorists and practitioners in ...

Here are links to expository articles I have written. There is large variation in their quality and they have generally not been proofread, so use at your own risk!

This fall, I am leading an undergraduate seminar on the history of algebraic geometry. In Summer 2024, I taught Ordinary Differential Equations. In Fall 2023, I taught Calculus II.

I recently did another podcast with Curt Jaimungal, on the topic of unification, which is now available here. As part of this I prepared some slides, which are available here. The main goal of the ...

Ted Jacobson has put on the arXiv a transcription of a 1947 Feynman letter about his efforts to better understand the Dirac equation, in order to find a path integral formulation of it. The letter ...