Due to requests, here is what we did in the algebraic topology support classes in winter term 2025.

week 2	(Sunny taught) motivation for homology, question 1.4, Smith normal form
week 3	assignment 1, 2.1, 2.4, 2.6, the beginning of 2.8
week 4	reminder on Mayer-Vietoris, 2.8 revisited, 2.9 with a comment on reduced homology, 3.10, 3.3, the beginning of 3.5
week 5	assignment 2, 3.5 revisited, 4.4, 4.3
week 6	injectivity in 4.1, 4.2, 4.5, 4.7, a comment on 4.8
week 7	5.2, 5.5, 5.6, 5.9
week 8	orientations and orientation covers, 5.7, 5.8
week 9	assignment 3, 6.3 and a few words on cellular homology
week 10	reminder on cellular homology, 6.6, 6.7 and constructing CW complexes with homology a given group