MATH 124Introduction to Topology
Topics include introduction to point set topology (topological spaces, continuous maps, connectedness, compactness), homotopy relation, definition and calculation of fundamental groups and homology groups, Euler characteristic, classification of orientable and nonorientable surfaces, degree of maps, and Lefschetz fixed-point theorem.
Prerequisite(s): course 100; course 111A recommended.
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When it runs
Fall 2026Open Fall 2026
| Section | Type | When | Where | Instructor | Seats |
|---|---|---|---|---|---|
| 01 | Lecture | Tue Thu 11:40am–1:15pm | PhysSciences 140 | B. Sanders | Open 30/35 |
Fall 2025Open Fall 2025
| Section | Type | When | Where | Instructor | Seats |
|---|---|---|---|---|---|
| 01 | Lecture | Mon Wed Fri 10:40am–11:45am | J Baskin Engr 156 | T. Ehrhardt | Open 21/30 |
Who teaches it
| Instructor | Rating | Difficulty | Would take again | Reviews |
|---|---|---|---|---|
| Beren Sanders | 4.1 / 5 | 3.5 / 5 | 78% | 78 |
| Torsten Ehrhardt | 2.8 / 5 | 3.7 / 5 | 75% | 40 |
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