Maps onto certain Fano threefolds
Maps onto certain Fano threefolds
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映射到某些法诺三重
DOI:
10.4171/dm/28
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发表时间:
1997
影响因子:
0.9
通讯作者:
E. Amerik
中科院分区:
文献类型:
--
作者:
E. Amerik
We prove that if X is a smooth projective threefold with b 2 = 1 and Y is a Fano threefold with b 2 = 1, then for a non-constant map f : X ! Y , the degree of f is bounded in terms of the discrete invariants of X and Y . Also, we obtain some stronger restrictions on maps between certain Fano threefolds. 1991 Mathematics Subject Classi cation: 14E99, 14J45