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When I learned the group e^iθ under complex multiplication is isomorphic to the group of SO(2) matrices under matrix multiplication , it changed everything. I knew love for the first time, my wife came back, I quit fentanyl and started reading romantic fiction. U(1) - SO(2) isomorphism fixed my...

49,910 次观看 • 1 个月前 •via X (Twitter)

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