本文讨论了一类平面D3等变映射的分歧和混沌性质。
In the paper the bifurcations and chaos in a class of planar D3-equivariant mapping are studied.
本文利用群胚的有关知识证明了李群在基本群胚上的提升作用有余伴随等变的动量映射这一结论，进而刻划了辛群胚的几何性质。
In this paper, in accordance with the knowledge of Groupoid, we proved that the nature life of Lie Group on a Fundamental Groupoid has a coadjoint equivariant momentum mapping.
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