Introduction to Topology   Fall 2016

Week 3.

  • Homework 3 due September 30th
  • Summary for subspace, quotient and product topologies as we discussed Week 2 and 3. Summary for "cut-and-paste arguments" is included as well.
  • formal treatment of "pasting" ("gluing", "identifying") and cut and paste arguments from Munkres in case of pairwise identification of edges of polygons
  • Week 2.

  • Homework 2 due September 23rd
  • practice problems (no need to hand them in)
  • Here are summaries for the quotient topologies:
    1. from Munkres, discussing the torus case in detail
    2. from Messer and Straffin, discussing the Mobius case in detail
  • Illustrations: