Not long after I told you about the TASI school and the excellent online lecture resource they were rapidly building, I heard* about a school in Utah that might be of interest, especially if you’re interested in the fruitful interface between mathematics and string theory. The title: “Derived Categories”, and it ran for two weeks with lectures on mathematical aspects and stringy aspects. The main reason I’m telling you is because it also has video and slides (it seems to be being updated as I type), and so you can use it to learn about some of those topics. Link here.
Some Related Asymptotia Posts (not exhaustive):