On a Conjecture of Khoroshkin and Tolstoy

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Date
2022-08-02MFO Scientific Program
OWRF 2021Series
Oberwolfach Preprints;2022-14Author
Appel, Andrea
Gautam, Sachin
Wendlandt, Curtis
Metadata
Show full item recordOWP-2022-14
Abstract
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 [Lett. Math. Phys. vol. 36 1996].