Representations of monomial matrices and restriction from $GL_n$ to $S_n$
Representations of monomial matrices and restriction from $GL_n$ to $S_n$
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单项式矩阵的表示以及从 $GL_n$ 到 $S_n$ 的限制
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发表时间:
2018
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通讯作者:
Nate Harman
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文献类型:
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作者:
Nate Harman
We outline an approach to understanding restrictions of polynomial representations of $GL_n(\mathbb{C})$ to $S_n$ by first restricting to $T \rtimes S_n$, the subgroup of $n \times n$ monomial matrices. Using this approach we give a combinatorial interpretation for the decomposition of a tensor product of symmetric powers of the defining representation.