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--- math105-s22:hw:hw12 [2022/04/16 16:23]
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+++ math105-s22:hw:hw12 [2026/02/21 14:41] (current)
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 ====== HW 12 ======
-. Can you verify explicitly that any closed differential 2-form in $\R^3$ is exact?
+  - 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, [[https://en.wikipedia.org/wiki/Hairy_ball_theorem | hairy ball theorem]].
+  - (optional) read about Brouer's fixed point theorem in Pugh, and try Pugh Exercise 71, [[https://en.wikipedia.org/wiki/Hairy_ball_theorem | hairy ball theorem]].

Lecture Notes