Timeline for 2-TQFT are to Frobenius Algebras as ??? are to Hopf Algebras
Current License: CC BY-SA 3.0
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| when toggle format | what | by | license | comment | |
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| May 25, 2011 at 0:53 | comment | added | Charlie Frohman | Finally, this might be pertinent; [38] Non-involutory Hopf algebras and 3-manifold invariants. Duke Math. J. 84 (1996), 83-129, arXiv:q-alg/9712047 , MR 1394749 (97g:57021) | |
| May 25, 2011 at 0:32 | comment | added | Charlie Frohman | Here is a way to understand the antipode. The linear maps from the Hopf algebra to itself form an algebra under convolution. That is, $$ L*M(h)=m\circ(L\otimes M)\circ \Delta(h)$$ where $m$ is the multiplication and $\Delta$ is the comultiplication. The anditpode is the multiplicative inverse of the identity under this product. | |
| May 25, 2011 at 0:28 | history | answered | Charlie Frohman | CC BY-SA 3.0 |