Math 225A:  Differential Topology

Class Schedule

The topics are tentative but the due dates are not.


Date  Tentative topic
Homework                                                                          
9/25
Review of topology and linear algebra
HW1, due 10/2



9/28
Review of differentiation

9/30
Manifolds; examples

10/2
Smooth functions and smooth maps
HW2, due 10/9



10/5
The inverse function theorem

10/7
Submersions

10/9
Immersions and embeddings HW3, due 10/16



10/12
Tangent spaces, Day I
10/14
Tangent spaces, Day II
10/16
The tangent bundle HW4, due 10/23



10/19
Cotangent bundles and 1-forms
10/21
Lie groups
10/23
Vector bundles, Day I HW5, due 10/30



10/26
Vector bundles, Day II; partition of unity
10/28
Vector fields
10/30
Sard's theorem HW6, due 11/6



11/2
Transversality, Day I
11/4
Transversality, Day II
11/6
Morse functions HW7, due 11/13



11/9
Whitney embedding theorem
11/11
No class (Veterans Day)

11/13
Orientations HW8, due 11/20



11/16
Oriented intersection numbers
11/18
Degree

11/20
Applications of degree; winding numbers HW9, due 12/4



11/23
More intersection theory; Euler characteristic

11/25
Lefschetz fixed point theorem
11/27
No class (Thanksgiving break)




11/30
Lefschetz fixed point theorem, Day II
12/1 (Tues) 
Poincaré-Hopf theorem (lecture given during discussion: 12pm, MS 6221)

12/2
Hopf degree theorem (last day of class)

12/4
No class (but discussion held during class hour: 12pm, MS 5137)





Final exam is take-home!



Last modified:  November 23, 2015.