论文标题

SAXL猜想的张量立方体版本

A Tensor-Cube Version of the Saxl Conjecture

论文作者

Harman, Nate, Ryba, Christopher

论文摘要

令$ n $为正整数,让$ρ_n=(n,n-1,n-2,\ ldots,1)$为``楼梯''''''''''' SAXL的猜想断言,对称组的每个不可约表示$ s^λ$作为张量广场$ s^{ρ_n} \ otimes s^{ρ_n} $的子表示。在此简短说明中,我们表明,$ s_n $的每个不可减至表示形式出现在张量cube $ s^{ρ_n} \ otimes s^{ρ_n} \ otimes s^{ρ_n} $中。

Let $n$ be a positive integer, and let $ρ_n = (n, n-1, n-2, \ldots, 1)$ be the ``staircase'' partition of size $N = {n+1 \choose 2}$. The Saxl conjecture asserts that every irreducible representation $S^λ$ of the symmetric group $S_N$ appears as a subrepresentation of the tensor square $S^{ρ_n} \otimes S^{ρ_n}$. In this short note we show that every irreducible representation of $S_N$ appears in the tensor cube $S^{ρ_n} \otimes S^{ρ_n} \otimes S^{ρ_n}$.

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