8 years, 1 month ago
Highlights
8 years, 1 month ago
12 hours ago, mathematical said: @Maciej Mizerski That's a bit above my head. I was not aware that i,j,k represented rotations of 180. I'm not sure how eliminating the divide by…
8 years, 1 month ago
There is a theorem (classification of compact Lie Groups) that says there is only one associative, multiplicative structure on the 3-sphere (up to an isomorphism). It's generate…
8 years, 1 month ago