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--- blog:2022-11-10 [2022/11/11 08:22] – pzhou
+++ blog:2022-11-10 [2023/06/25 15:53] (current) – external edit 127.0.0.1
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 ===== Sheridan, Fano =====
-  * ++++ What is a Frobenius algebra, and why we care? | I know it has something to do with TFT, but precisely how? Here I copied down a paragraph in a (computer science paper? almost, [[https://www.cs.ox.ac.uk/people/bob.coecke/AleksBobGHZW.pdf | theoretic physicist doing quantum computing]])
+++++ What is a Frobenius algebra, and why we care? | I know it has something to do with TFT, but precisely how? Here I copied down a paragraph in a (computer science paper? almost, [[https://www.cs.ox.ac.uk/people/bob.coecke/AleksBobGHZW.pdf | theoretic physicist doing quantum computing]])
 {{:blog:pasted:20221110-234441.png}}
 The last condition is really hard to believe. And why do they arise in nature?
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 Are this higher category enough? Why so simple? How about 3d picture?
+I am lead to here because he says $QH^*(X)$ is a Frobenius algebra. Why? Where is the circle and where is the pair-of-pants? Well well, 3 point function defining product is crying out loudly saying "I am a pair-of-pants".
 ++++