A note on certain Kronecker coefficients

A note on certain Kronecker coefficients
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关于某些克罗内克系数的注释

DOI:
10.1090/s0002-9939-09-10086-2
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发表时间:
2008
影响因子:
2.5
通讯作者:
L. Manivel
L. Manivel
中科院分区:
医学3区
文献类型:
--
作者:
L. Manivel

文献摘要

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相似文献

我们证明了一个明确的公式张量积本身的不可约复表示的对称群定义的矩形高度为2。我们还描述了由高度为2和4的矩形定义的表示的张量积的分解的一部分。我们的结果是推导出来的,通过Schur-Weyl对偶,从观察到的某些行动的三重张量积的向量空间,是多重自由。
We prove an explicit formula for the tensor product with itself of an irreducible complex representation of the symmetric group defined by a rectangle of height two. We also describe part of the decomposition for the tensor product of representations defined by rectangles of heights two and four. Our results are deduced, through Schur-Weyl duality, from the observation that certain actions on triple tensor products of vector spaces, are multiplicity free.