10-327/Classnotes for Thursday October 21

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See some blackboard shots at BBS/10_327-101021-143325.jpg.

Dror's notes above / Student's notes below

Here are some lecture notes..

Lecture 11 page 1

Lecture 11 page 2

Lecture 11 page 3

Lecture 11 page 4

Lecture 11 page 5

Lecture 11 page 6

Lecture 11 page 7

Riddle Along

Can you color \mathbb{R}^2 with 4 colors such that no points with distance one are the same color?