In this program
- Homotopy and homotopy equivalence
- Fundamental group
- Van Kampen theorem (introduction)
- Covering spaces (overview)
Algebraic topology introduction
Van Kampen theorem (introduction)
Topology · Theoretical / proof-based
Topic
Van Kampen theorem (introduction)
Graduate Topology — scope drawn from Bradley–Bryson–Terilla Topology (MIT Press open chapters) and typical graduate point-set / algebraic topology intro syllabi.