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arXiv 1503.02285math.CO
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Immaculate函数的结构常数

Structure Constants for Immaculate Functions

Shu Xiao Li

摘要:

引入完美函数$\mathfrak{S}_α$作为$\operatorname{\mathsf{Nsym}}$的Schur类基。我们调查的事实,他们的结构常数。这些是Littlewood-Richardson系数的类似物。我们将给出$\mathfrak{S}_α$的左Pieri规则的一个新的证明,$\mathfrak{S}_α$的结构系数的平移不变性,以及饱和猜想的$\mathfrak{S}_α$ -模拟的一个反例.

英文摘要:

The immaculate functions, $\mathfrak{S}_α$, were introduced as a Schur-like basis for $\operatorname{\mathsf{Nsym}}$. We investigate facts about their structure constants. These are analogues of Littlewood-Richardson coefficents. We will give a new proof of the left Pieri rule for the $\mathfrak{S}_α$, a translation invariance property for the structure coefficients of the $\mathfrak{S}_α$, and a counterexample to an $\mathfrak{S}_α$-analogue of the saturation conjecture.

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