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LAGRANGIAN FIBERS OF GELFAND–CETLIN SYSTEMS OF SO( n )-TYPE
Transformation Groups ( IF 0.7 ) Pub Date : 2020-05-04 , DOI: 10.1007/s00031-020-09566-4
YUNHYUNG CHO , YOOSIK KIM

In this paper, we study the Gelfand–Cetlin systems and polytopes of the co-adjoint SO(n)-orbits. We describe the face structure of Gelfand–Cetlin polytopes and iterated bundle structure of Gelfand–Cetlin fibers in terms of combinatorics on the ladder diagrams. Using this description, we classify all Lagrangian fibers.



中文翻译:

SO(n)型格尔木-赛特林体系的拉格朗日纤维

在本文中,我们研究了Gelfand-Cetlin系统和共伴生SO(n)轨道的多拓扑。我们通过梯形图上的组合描述了Gelfand-Cetlin多表位的面部结构和Gelfand-Cetlin纤维的迭代束结构。使用此描述,我们将所有拉格朗日纤维分类。

更新日期:2020-05-04
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