D_l 型扩展 Catalan 排列的显式基
An explicit basis for the extended Catalan arrangement of type Dl
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中文总结 AI 辅助
本文为 D_l 型扩展 Catalan 排列的锥的导子模构造显式齐次基,并证明其在无穷远处与已知积分基一致,从而阐明参数选择的几何动机。
中文摘要 AI 辅助
受 Kawanoue 利用有限和公式构造的启发,我们为 D_l 型扩展 Catalan 排列的锥的导子模构造了一个显式齐次基。我们进一步证明,该基在无穷远处的限制,在非零常数意义下,与 Feigin-Wang-Yoshinaga 构造的积分基一致。这揭示了参数选择背后的几何动机。
英文摘要
Motivated by Kawanoue's construction with the finite-sum formulas, we construct an explicit homogeneous basis for the derivation module of the cone of the extended Catalan arrangement of type Dl. We further show that the restriction of this basis at infinity coincides, up to a nonzero constant, with the integral basis constructed by Feigin-Wang-Yoshinaga. This identifies the geometric motivation behind the parameter choices.
发表机构
- College of Mathematics and Physics, Beijing University of Chemical Technology(北京化工大学理学院)
- Center for University Mathematics Teaching, Nanjing Forestry University(南京林业大学大学数学教学中心)
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