- my first sentence was sloppy, since I was defining the cosine of the angle between unit vectors in a sneaky way, namely
|〈v,w〉|
the absolute value of the complex inner product between them. This "angle" is zero for any two unit vectors in ℂ.
John Carlos Baez
npub1nf…3nqe4
2026-10-12 07:28:19 UTC
in reply to nevent1q…q8ej
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npub1nf4p4rh06z6n6lsvje4txk7eqs23y3hs8vd7nraq6tgwady5qvsqy3nqe4Published at
2026-10-12 07:28:19 UTCEvent JSON
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