SOME CONTRACTIONS OF THREEFOLD ALGEBRAIC FAMILY

Citation:

Chen Meng.SOME CONTRACTIONS OF THREEFOLD ALGEBRAIC FAMILY[J].Chinese Annals of Mathematics B,1994,15(2):247~252
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Authors:

Chen Meng;

Foundation:

Project supported by the National Natural Science Foundation of Shanghai
Abstract: The objects in this paper are all projective 3-folds over an algebraically closed field of characteristic 0. After simply generalizing the Rationality theorem, a kind of contractions of non-minimal 3-folds is given

Keywords:

Threefold algebraic family, Extremal ray, Contraction.

Classification:

14E05, 14A10.
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