We investigate birationality of the anti-pluricanonical map Φ-m,the rational map defined by the anti-pluricanonical system |-mKX|,on weak Q-Fano 3-folds.
基金supported by National Outstanding Young Scientist Foundation (Grant No.10625103)National Natural Science Foundation of China (Grant No. 10731030)
文摘We investigate birationality of the anti-pluricanonical map Φ-m,the rational map defined by the anti-pluricanonical system |-mKX|,on weak Q-Fano 3-folds.