Extended affine Weyl groups and Frobenius manifolds

Extended affine Weyl groups and Frobenius manifolds
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DOI:
10.1023/a:1000258122329
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发表时间:
1996-11
影响因子:
1.8
通讯作者:
B. Dubrovin;You-jin Zhang
B. Dubrovin;You-jin Zhang
中科院分区:
数学1区
文献类型:
--
作者:
B. Dubrovin;You-jin Zhang

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我们定义了仿射Weyl群的某些扩张(不同于K. Saito [S1]在广义仿射根系统理论中),证明了它们的不变量的Chevalley定理的类似定理,并在它们的轨道空间上构造了一个Frobenius结构。这就产生了解决方案。
We define certain extensions of affine Weyl groups (distinct from these considered by K. Saito [S1] in the theory of extended affine root systems), prove an analogue of Chevalley Theorem for their invariants, and construct a Frobenius structure on their orbit spaces. This produces solutions .