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I am guessing these diagrams are taken from Electrical Engineering and not Quantum Physics. The blog looks like an expansion of their paper http://arxiv.org/ab
by mrcactu5 11y ago
I am guessing these diagrams are taken from Electrical Engineering and not Quantum Physics.
The blog looks like an expansion of their paper http://arxiv.org/abs/1403.7048v3 http://arxiv.org/abs/1403.7048v3
Yes! That's where I have seen these diagrams before. They are Hopf algebras, which appear both in Electrical Engineering and Theoretical Physics.
- JadeNB 11y agoBaez discussed the paper on the n-Category Café, and it may be easier for the inexperienced (like me!) to get started there: https://golem.ph.utexas.edu/category/2015/05/props_for_linear_systems.html https://golem.ph.utexas.edu/category/2015/05/props_for_linea... .