read his post on octonions http://math.ucr.edu/home/baez/octonions/ The 1, 2, 4,... | Hacker News

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		crasshopper on July 11, 2018 \| parent \| context \| favorite \| on: Random Points on a Sphere read his post on 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 on July 11, 2018 | [–]

> read his post on octonions http://math.ucr.edu/home/baez/octonions/

Not for a discussion on associative normed algebras ….

Sean-P on July 11, 2018 | [–]

Aren't there other strange facts about dimensions 1, 3 and 7, particularly in linear algebra?

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