The third and final post on impartial games is out. Nothing to crazy, just some more in-depth examples of the Sprague-Grundy theorem in action.

Just stumbled onto one of the coolest things I have seen in a while. Henry Segerman demonstrating projections with non-Euclidian geometry. He also does a great job of explaining what is going on for those who (like me) know/understand next to nothing about the subject.

The second post, in what I think will be a three part series on impartial games, is now up on my blog! In it, we cover how to use the Sprague-Grundy function\theorem and the solution to the game of Nim.

FreddyR boosted

"Last week Harvard University and the Massachusetts Institute of Technology sold their #edX platform to a for-profit company for $800 million.
Before the sale, edX was academe’s public option — a mission-aligned satellite of the brick-and-mortar campus. Now all the major players in the sector are profiteers, legally obligated to maximize shareholder return."

– Jefferson Pooley, for
(reader view in Firefox shows the full text)

At a recent dinner with my partner we started talking about her advanced field study and the ranking/matching process. Great excuse to talk about the Gale-Shapley algorithm and the stable matching problem!


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