Classification of G-varieties of complexity 1

Classification of G-varieties of complexity 1
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G 种复杂性的分类 1

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发表时间:
1997
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通讯作者:
D. A. Timashev
D. A. Timashev
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文献类型:
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作者:
D. A. Timashev

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我们考虑了在一个给定的二元群类中寻找允许一个约化群G的作用的代数簇的组合描述的问题。这是环簇理论的直接推广。给出了这一问题的一般方法,并给出了Borel子群G的一般位置轨道的余维为1(复杂性为1的簇)的簇的解.
We consider the problem of finding a combinatorial description of the algebraic varieties in a given birational class that admit an action of a reductive group G. This is a direct generalization of the theory of toric varieties. A general approach to this problem is described, and the solution is given for varieties in which the orbits in general position of a Borel subgroup G have codimension 1 (varieties of complexity 1).