Week 11 Apr. 5-Apr.9, 2021

Lect  21 

Week 6 Feb. 22-24

Lect  10​

Week 4 Feb. 8-12

Lect  6   7

Week 8 Mar. 8-12, 2021

Lect  14  15

Homework

1  2  3

Week 2 Jan. 25-29, 2021

lect 2  3

Week 9 Mar. 15-19, 2021

Lect  16  17

Week 3 Feb. 1-5, 2021

lect 4  5

Math 4381/6378 Symmetry   Spring 2021

Week 10 Mar. 29-Apr.2, 2021

Lect  18   19