On Semistable Extremal Neighborhoods
On Semistable Extremal Neighborhoods
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关于半稳定极值邻域
DOI:
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发表时间:
2002
期刊:
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通讯作者:
S. Mori
中科院分区:
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作者:
S. Mori
We give an explicit description of an extremal nbd X ~ C -::::: 11" 1 of type k2A. We also give a criterion for X to be a flipping contraction and an explicit description of the contraction and the flip.