Theory of algebraic groups

Tuesday 2,3,4 (9:10-12:10) @ Astro-Math Building 201
Office Hour: Tuesday 13:00-14:30 @ Astro-Math Building 427

Notice
- Lecture will not be given on 2025-09-09.
- Lecture on 2025-10-28 was canceled.
- The evaluation will be based only on reports. Please submit via e-mail by 2025-12-19 (23:59).

Week 1 (2025-09-02)
Course overview & Review of some very basic algebraic geometry

Week 2 (2025-09-16)
Very basic properties of general algebraic groups
Week 3 (2025-09-23)
Jordan decomposition

Week 4 (2025-09-30)
Unipotent, solvable, and nilpotent groups

Week 5 (2025-10-07)
Diagonalizable groups

Week 6 (2025-10-14)
Lie algebras of algebraic groups

Week 7 (2025-10-21)
Reductive groups and root data

Week 8 (2025-11-04)
Quotients of algebraic groups

Week 9 (2025-11-11)
Borel subgroups and maximal tori

Week 10 (2025-11-18)
Borel subgroups and maximal tori: continued

Week 11 (2025-11-25)
Construction of root data for reductive groups

Week 12 (2025-12-02)
Classification of reduced root systems

Week 13 (2025-12-09)
Classification of connected reductive groups

Week Ex (2025-12-16)
Supplement: Rationality of algebraic groups

Course note is here.

Please feel free to contact me!
Office: Astro-Math Building 427
Mail: masaooi at ntu.edu.tw