math105-s22:hw:hw12
HW 12
- Following Thursday's class, can you verify explicitly that any closed differential 2-form in $\R^3$ is exact?
- (optional) read about Brouer's fixed point theorem in Pugh, and try Pugh Exercise 71, hairy ball theorem.
math105-s22/hw/hw12.txt · Last modified: 2022/04/16 09:24 by pzhou
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