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• #### On a Conjecture of Khoroshkin and Tolstoy ﻿

[OWP-2022-14] (Mathematisches Forschungsinstitut Oberwolfach, 2022-08-02)
We prove a no-go theorem on the factorization of the lower triangular part in the Gaussian decomposition of the Yangian's universal $R$-matrix, yielding a negative answer to a conjecture of Khoroshkin and Tolstoy from ...