Jack's math blog
1. 2026
- October 19th, 2026 | The functor of points
- October 10th, 2026 | A miscellany of very basic results in algebraic geometry
- August 28th, 2026 | A short comment on the intersection pairing
- April 25th, 2026 | My preferred method for proving Killing-Hopf
- February 9th, 2026 | A small note on a result in McDuff-Salamon
- February 4th, 2026 | Constructing the fundamental class
2. 2025
- July 26th, 2025 | Some solutions to problems from the 2025 IMO
- July 1st, 2025 | Leray-Hirsch theorem
- June 11th, 2025 | Seifert-Van Kampen for fundamental groupoids in painful detail
- May 6th, 2025 | A complete proof of the Myers-Steenrod theorem