Here are slides from a talk at the University of Kentucky in Spring 2022
Also, if you're really curious, here are some pre-baked pre-prerints:
- Koszul duality for local systems A slightly sketchy, but as of yet woefully incomplete, short note about Koszul duality (more accurately: Bar-Cobar duality) between modules and comodules.
- Musings on En-crystals A short meditation on En-crystals (also known as En-D-modules). To be explored further in forthcoming joint work with David Ben-Zvi and Pavel Safronov.