Fano Varieties in Mori Fibre Spaces
Fano Varieties in Mori Fibre Spaces
复制标题
Mori 纤维空间中的 Fano 簇
DOI:
10.1093/imrn/rnv173
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发表时间:
2016
影响因子:
1
通讯作者:
L. Tasin
中科院分区:
文献类型:
--
作者:
G. Codogni;A. Fanelli;R. Svaldi;L. Tasin
We show that being a general fibre of a Mori fibre space (MFS) is a rather restrictive condition for a Fano variety. More specifically, we obtain two criteria (one sufficient and one necessary) for a-factorial Fano variety with terminal singularities to be realised as a fibre of a Mori fibre space, which turn into a characterisation in the rigid case. We apply our criteria to figure out this property up to dimension 3 and on rational homogeneous spaces. The smooth toric case is studied and an interesting connection with-semistability is also investigated.
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DOI:
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发表时间:
2001
期刊:
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DOI:
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