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tmabraham
on Aug 14, 2020
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Kindergarten Quantum Mechanics
I have only skimmed this paper, but the diagrams look somewhat similar to Penrose graphical notation. Is there any connection there?
mathgenius
on Aug 14, 2020
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Yes, they are pretty much the same thing. There are some particular quantum-y elements though, such as the cup & cap. In general relativity these would (i think?) correspond to index raising and lowering operators.
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