RT @cole_comfort: Drawing string diagrams on cylinders, how pretty https://t.co/IsjWM0NCtT https://t.co/cFFnrT2Hce
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806 followers
RT @cole_comfort: Drawing string diagrams on cylinders, how pretty https://t.co/IsjWM0NCtT https://t.co/cFFnrT2Hce
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RT @cole_comfort: Drawing string diagrams on cylinders, how pretty https://t.co/IsjWM0NCtT https://t.co/cFFnrT2Hce
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RT @cole_comfort: Drawing string diagrams on cylinders, how pretty https://t.co/IsjWM0NCtT https://t.co/cFFnrT2Hce
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@cole_comfort Check out the abstract! https://t.co/5RGMzXg9DO
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@mattecapu In a 1-category a shadow is a map from End(c,c) to a fixed set S for all c, which for a cycle of n morphisms sends all n composites of the cycle to the same element. Shadows for bicategories are a weakened version of this. See https://t.co/Pa7XC