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Tiered Trees and Theta Operators
International Mathematics Research Notices ( IF 1 ) Pub Date : 2022-09-23 , DOI: 10.1093/imrn/rnac258
Michele D’Adderio 1 , Alessandro Iraci 1, 2 , Yvan Le Borgne 3 , Marino Romero 4 , Anna Vanden Wyngaerd 5
Affiliation  

In [10], the authors introduced tiered trees to define combinatorial objects counting absolutely indecomposable representations of certain quivers and torus orbits on certain homogeneous varieties. In this paper, we use Theta operators, introduced in [6], to give a symmetric function formula that enumerates these trees. We then formulate a general conjecture that extends this result, a special case of which might give some insight about how to formulate a unified Delta conjecture [20].

中文翻译:

分层树和 Theta 运算符

在 [10] 中,作者引入了分层树来定义组合对象,计算某些同类品种上某些箭袋和环面轨道的绝对不可分解表示。在本文中,我们使用 [6] 中介绍的 Theta 算子来给出枚举这些树的对称函数公式。然后,我们制定了一个扩展该结果的一般猜想,其特殊情况可能会为如何制定统一的 Delta 猜想 [20] 提供一些见解。
更新日期:2022-09-23
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