Gauss Decomposition of the Yangian $$Y({\mathfrak{gl}}_{m|n})$$

Gauss Decomposition of the Yangian $$Y({\mathfrak{gl}}_{m|n})$$
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Yangian $$Y({mathfrak{gl}}_{m|n})$$ 的高斯分解

DOI:
10.1007/s00220-007-0349-5
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发表时间:
2006
影响因子:
2.4
通讯作者:
Lucy Gow
Lucy Gow
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Lucy Gow

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我们描述了Yangian $$Y({\mathfrak{gl}}_{m})的高斯分解|n})$$一般线性李超代数。这给出了这个Yangian和经典李超代数Y(A(m − 1,n − 1))(对于m <$n)的Yangian之间的联系,并给出了Yangian $$Y({\mathfrak{sl}}_{n})的自然定义|n})$$和Y(A(n,n))。我们还证明了量子Berezinian的系数生成Yangian的中心Y({\mathfrak{gl}}_{m| n})$$。这是纳扎罗夫在1991年提出的。
We describe a Gauss decomposition for the Yangian $$Y({\mathfrak{gl}}_{m|n})$$ of the general linear Lie superalgebra. This gives a connection between this Yangian and the Yangian of the classical Lie superalgebra Y(A(m − 1, n − 1)) (for m ≠ n) defined and studied in papers by Stukopin, and suggests natural definitions for the Yangians $$Y({\mathfrak{sl}}_{n|n})$$ and Y(A(n, n)). We also show that the coefficients of the quantum Berezinian generate the centre of the Yangian $$Y({\mathfrak{gl}}_{m|n})$$ . This was conjectured by Nazarov in 1991.