HUNTERTUTORING

Compactness and connectedness

Introductory topology · Theoretical / proof-based

Compactness: open covers and sequential compactness in metric spaces

Objectives

  • Compactness: open covers and sequential compactness in metric spaces
  • Heine–Borel and Bolzano–Weierstrass in R^n
  • Connected and path-connected spaces; components
  • Compactness of continuous images and extreme value theorem (topological proof)
  • Introduction to homotopy and the fundamental group (preview)

Study materials