Timeline for Symmetric polynoms are Hopf algebra ? What for one needs co-product ?
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| Jan 18, 2012 at 13:26 | comment | added | Alexander Chervov | Bruce, thank you for your answer. But I am afraid you underestimated degree of my ignorance :) I do not know what is motivation to introduce a co-product, where is it useful, etc... So antipode is of second priority... | |
| Jan 18, 2012 at 13:03 | history | answered | Bruce Westbury | CC BY-SA 3.0 |