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| rev | Bot | (Created page with "<div class="d-none"><math> \newcommand{\mathds}{\mathbb}</math></div>Let us call finite Hopf algebra a finite dimensional <math>C^*</math>-algebra, with maps as follows, called comultiplication, counit and antipode, <math display="block"> \Delta:A\to A\otimes A\quad,\quad \varepsilon:A\to\mathbb C\quad,\quad S:A\to A^{opp} </math> satisfying the following conditions, which are those found above, <math display="block"> (\varepsilon\otimes id)\Delta=(id\otimes\vareps...") | Apr 20'25 at 1:32 | +1,013 |