On a conjecture of Khoroshkin and Tolstoy
Quantum Algebra
2025-08-06 v1 Mathematical Physics
math.MP
Representation Theory
Abstract
We prove a no-go theorem on the factorization of the lower triangular part in the Gaussian decomposition of the Yangian's universal -matrix, yielding a negative answer to a conjecture of Khoroshkin and Tolstoy from [Lett. Math. Phys. vol. 36 1996].
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Cite
@article{arxiv.2206.14857,
title = {On a conjecture of Khoroshkin and Tolstoy},
author = {Andrea Appel and Sachin Gautam and Curtis Wendlandt},
journal= {arXiv preprint arXiv:2206.14857},
year = {2025}
}
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12 pages