Notes
山回路转不见君，雪上空留马行处。
山回路转不见君，雪上空留马行处。
Only after admiring these remarkable notes did I realize what truly community-useful notes look like. The ones here are mostly rough personal records for my own reference.
1. Hong-Hao Tu (Dresden Univ.), Many-body physics in condensed matter, lecture notes, 2022 link
2. Satoshi Nawata (Fudan Univ.), Statistical Mechanics II, lecture notes, 2026 link