HUNTERTUTORING

Point-set topology

Compactness: Heine–Borel, Tychonoff (introduction), sequential compactness

Topology · Theoretical / proof-based

Topic

Compactness: Heine–Borel, Tychonoff (introduction), sequential compactness

Practice by unit: Point-set topology

Graduate Topology — scope drawn from Bradley–Bryson–Terilla Topology (MIT Press open chapters) and typical graduate point-set / algebraic topology intro syllabi.