nprofile1qyt8wumn8ghj7un9d3shjtnyd968gmewwp6kytcqyz6v2rsmc8tufcfh95x8vlz8q4gf7pctpucsj3rajrxsav62ny5fv528eua (nprofile…8eua) That’s so frustrating, because SO(3) is one of the easiest Lie groups by far to visualise without having to worry about higher dimensions!
And once you have that model of it — as a sphere with antipodal points identified — you can easily understand cool things like the Dirac belt trick, and why an electron needs to be rotated twice to return to its original state:
https://www.gregegan.net/APPLETS/21/21.html
Greg Egan
npub1qq…j5nhv
2025-12-05 10:52:03 UTC
in reply to nevent1q…l593
Author Public Key
npub1qqm7nu2qf25xd3mw6y6cyp4v2wr7ktf43ymp5wqz4u8jvz76ymtsjj5nhvPublished at
2025-12-05 10:52:03 UTCEvent JSON
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