Math 225C:  Algebraic Topology

Class Schedule

The topics are tentative but the due dates are not.


Date  Tentative topic
Homework                                                                          
4/1 (Mon)
Homotopy and composition of paths
HW1, due 4/8
4/3 (Wed)
Fundamental groups, Day I

4/5 (Fri)
Fundamental groups, Day II (homotopy invariance)




4/8
Covering spaces; homotopy lifting property HW2, due 4/15
4/10
Computation of \pi_1(S^1) and \pi_1(S^n)
4/12
Seifert-van Kampen theorem, Day I




4/15
Seifert-van Kampen theorem, Day II HW3, due 4/22
4/17
Computations of \pi_1 and definition of universal cover

4/19
Lifting properties of covering spaces




4/22
Construction of the universal cover
HW4, due 4/29
4/24
Classification of covering spaces
4/26
Normal covers



4/29
\Delta-complexes HW5, due 5/8
5/1
Class canceled
5/3
Simplicial homology



5/6
Singular homology HW6, due 5/15
5/8
Homotopy invariance
5/10
Exact sequences; Mayer-Vietoris sequence



5/13
More on Mayer-Vietoris; Barycentric subdivision HW7, due 5/22
5/15
More on barycentric subdivision
5/17
Relative homology



5/20
Excision HW8, due 5/29
5/22
Homology and the fundamental group
5/24
Equivalence of simplicial and singular homology; homology axioms



5/27
University Holiday (Memorial Day) HW9, due 6/7
5/29
Degree and cellular homology
5/31
Cellular homology computations



6/3
Cohomology, Day I
6/5
Cohomology, Day II
6/7
Cohomology, Day III




Final exam is take-home!



Last modified:  May 10, 2024.