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The universal DAHA of type $(C_1^\vee,C_1)$ and Leonard triples. (arXiv:2005.02386v1 [math.RT]) http://arxiv.org/abs/2005.02386
The universal DAHA of type $(C_1^\vee,C_1)$ and Leonard triples. (arXiv:2005.02386v1 [math.RT]) http://arxiv.org/abs/2005.02386