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arXiv 2101.01049math.RT
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代数$\mathfrak{gl}_3$和超几何函数的Clebsh-Gordan系数

Clebsh-Gordan coefficients for the algebra $\mathfrak{gl}_3$ and hypergeometric functions

Dmitry Artamonov

摘要:

计算了李代数$\mathfrak{gl}_3$在Gelfand-Tsetlin基上的Clebsh-Gordan系数.与以前的论文相比,结果是作为一个明确的公式。为了获得结果,使用在群$GL_3$上的函数空间中的表示的实现。允许进行Clebsh-Gordan系数计算的关键事实是这样一个定理,即对应于Gelfand-Tsetlin基向量的函数可以通过广义超几何函数表示。

英文摘要:

The Clebsh-Gordan coefficients for the Lie algebra $\mathfrak{gl}_3$ in the Gelfand-Tsetlin base are calculated. In contrast to previous papers the result is given as an explicit formula. To obtain the result a realization of a representation in the space of functions on the group $GL_3$ is used. The keystone fact that allows to carry the calculation of Clebsh-Gordan coefficients is the theorem that says that functions corresponding to Gelfand-Tsetlin base vectors can be expressed through generalized hypergeometric functions.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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