3 ms·

read his post on octonions http://math.ucr.edu/home/baez/octonions/ http://math.ucr.edu/home/baez/octonions/ The 1, 2, 4, 8 phenomenon surprised 20th-century m

read his post on octonions http://math.ucr.edu/home/baez/octonions/ http://math.ucr.edu/home/baez/octonions/ The 1, 2, 4, 8 phenomenon surprised 20th-century mathematicians, and derives from weird facts about how S7, S3, and S1 fiber. (fibration is lining one shape with other shapes)

JadeNB 8y ago
> read his post on octonions http://math.ucr.edu/home/baez/octonions/ http://math.ucr.edu/home/baez/octonions/ Not for a discussion on associative normed algebras ….
Sean-P 8y ago
Aren't there other strange facts about dimensions 1, 3 and 7, particularly in linear algebra?