Quantum Berezinian for the Twisted Super Yangian

Fuente: arXiv
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Main Authors: Lin, Hongda, Wang, Yongjie, Zhang, Honglian
Format: Preprint
Published: 2025
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author Lin, Hongda
Wang, Yongjie
Zhang, Honglian
author_facet Lin, Hongda
Wang, Yongjie
Zhang, Honglian
contents Motivated by an open problem proposed in Molev's book \cite[Section 2.16, Example 16]{Mo07}, we investigate the quantum Berezinian $\mathfrak{B}^{tw}(u)$ associated with the twisted super Yangian, which is a coideal sub-superalgebra of the super Yangian of the general linear Lie superalgebra. We provide an explicit formulation of $\mathfrak{B}^{tw}(u)$, and we also construct the center of the twisted super Yangian. This construction enables us to define the special twisted super Yangian, which is isomorphic to the quotient of the twisted super Yangian by its center. Moreover, we demonstrate the quantum Sylvester theorem for both the generator matrix and the quantum Berezinian.
format Preprint
id arxiv_https___arxiv_org_abs_2501_05800
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Quantum Berezinian for the Twisted Super Yangian
Lin, Hongda
Wang, Yongjie
Zhang, Honglian
Quantum Algebra
17B37, 17D10, 20G42
Motivated by an open problem proposed in Molev's book \cite[Section 2.16, Example 16]{Mo07}, we investigate the quantum Berezinian $\mathfrak{B}^{tw}(u)$ associated with the twisted super Yangian, which is a coideal sub-superalgebra of the super Yangian of the general linear Lie superalgebra. We provide an explicit formulation of $\mathfrak{B}^{tw}(u)$, and we also construct the center of the twisted super Yangian. This construction enables us to define the special twisted super Yangian, which is isomorphic to the quotient of the twisted super Yangian by its center. Moreover, we demonstrate the quantum Sylvester theorem for both the generator matrix and the quantum Berezinian.
title Quantum Berezinian for the Twisted Super Yangian
topic Quantum Algebra
17B37, 17D10, 20G42
url https://arxiv.org/abs/2501.05800