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YCor
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Kevin Ye
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Does Sklyanin algebra (which is an elliptic extension of the quantum group) admit a bialgebra structure or even Hopf algebraic structure? Or is it proved that it is impossible to have such a structure?

Note that the algebra is defined as four generators $S_0, S_{\alpha = 1,2,3}$ and \begin{equation} \begin{aligned} & \{ S_0, S_{\alpha} \} = 2 J_{\beta \gamma} S_{\beta} S_{\gamma}\\[0.5em] & \{ S_{\alpha}, S_{\beta} \} = -2 S_0 S_{\gamma} \end{aligned} \end{equation} where $(\alpha, \beta, \gamma)$ is the cyclic permutation of $1,2,3$.

Moreover, if one so far cannot find such bialgebraic structure, is it still possible to define tensor product representation of the algebra?

Does Sklyanin algebra (which is an elliptic extension of the quantum group) admit a bialgebra structure or even Hopf algebraic structure? Or is it proved that it is impossible to have such a structure?

Note that the algebra is defined as four generators $S_0, S_{\alpha = 1,2,3}$ and \begin{equation} \begin{aligned} & \{ S_0, S_{\alpha} \} = 2 J_{\beta \gamma} S_{\beta} S_{\gamma}\\[0.5em] & \{ S_{\alpha}, S_{\beta} \} = -2 S_0 S_{\gamma} \end{aligned} \end{equation} where $(\alpha, \beta, \gamma)$ is the cyclic permutation of $1,2,3$.

Does Sklyanin algebra (which is an elliptic extension of the quantum group) admit a bialgebra structure or even Hopf algebraic structure? Or is it proved that it is impossible to have such a structure?

Note that the algebra is defined as four generators $S_0, S_{\alpha = 1,2,3}$ and \begin{equation} \begin{aligned} & \{ S_0, S_{\alpha} \} = 2 J_{\beta \gamma} S_{\beta} S_{\gamma}\\[0.5em] & \{ S_{\alpha}, S_{\beta} \} = -2 S_0 S_{\gamma} \end{aligned} \end{equation} where $(\alpha, \beta, \gamma)$ is the cyclic permutation of $1,2,3$.

Moreover, if one so far cannot find such bialgebraic structure, is it still possible to define tensor product representation of the algebra?

Source Link
Kevin Ye
  • 367
  • 1
  • 7

Bialgebraic structure of Sklyanin algebra

Does Sklyanin algebra (which is an elliptic extension of the quantum group) admit a bialgebra structure or even Hopf algebraic structure? Or is it proved that it is impossible to have such a structure?

Note that the algebra is defined as four generators $S_0, S_{\alpha = 1,2,3}$ and \begin{equation} \begin{aligned} & \{ S_0, S_{\alpha} \} = 2 J_{\beta \gamma} S_{\beta} S_{\gamma}\\[0.5em] & \{ S_{\alpha}, S_{\beta} \} = -2 S_0 S_{\gamma} \end{aligned} \end{equation} where $(\alpha, \beta, \gamma)$ is the cyclic permutation of $1,2,3$.