Lecture notes and problem sets

Here I will post links to whatever notes I manage to write and to the problem sets. The problems also occur within the notes, but there are separate links for your convenience.

• Friday, Feb. 03. Introducing groupoids, Problem Set 1
• Tuesday, Feb. 07. The fundamental groupoid of a space
• Friday, Feb. 10. Friday Miscellany*, Problem Set 2
• Tuesday, Feb. 14. Free Groupoids*
• Friday, Feb. 17. Using van Kampen*
• Tuesday, Feb. 21. Pushout squares*, Problem Set 3
• Friday, Feb. 24. The proof of van Kampen’s theorem*
• Tuesday, Feb. 28. Left adjoints preserve pushouts*
• Friday, Mar. 2. The Jordan Curve Theorem*
• Tuesday, Mar. 6. ???*
• Friday, Mar. 9. Introduction to Covering Space Theory*
• Tuesday, Mar. 20. The functor induced by \(\pi_{\le 1}\)*
• Friday, Mar. 23. Lifting topologies*

Sadly, the *s mean that that day’s notes are unfinished.