18.100x is helpful for having proof-writing experience, and taking 18.701 helps with the group theory content.
Subject Matter
Most thought the class was very theoretical, especially the first half, which was a lot of setup.
The second half of the class went more concretely into algebraic topology, which students enjoyed.
Course Staff
The professor was very approachable and made class enjoyable and interesting. Most thought the professor was a good lecturer and hosted good office hours.
Lectures
Most students said lectures were the main way they learned the content.
Problem Sets
Problems felt fair and appropriate to the content in lectures.
Students reported they worked on problem sets alone.
Exams
Exams contained challenging problems, but not all were required to do well.
All exams were open book/notes.
Resources
Most students relied on lecture notes which were released by the professor on Canvas.
There was also a textbook, but not many students felt it was necessary to consult it.
Grading
Students felt that grading was mostly fair, but slightly non-traditional, although lenient.
It was sometimes easy to lose points because homework was graded out of such a small total.