scholarly journals Pluricanonical maps of stable log surfaces

2014 ◽  
Vol 258 ◽  
pp. 69-126 ◽  
Author(s):  
Wenfei Liu ◽  
Sönke Rollenske
Keyword(s):  
2014 ◽  
Vol 157 (2) ◽  
pp. 209-220
Author(s):  
JINSONG XU

AbstractFor a nonsingular projective threefold of general typeXover the field of complex numbers, we show that the fourth pluricanonical map ϕ4is not birational onto its image if and only ifXis birationally fibred by (1,2)-surfaces, provided that vol(X) ≥ 303. We also have similar characterization of birationality of ϕ3.


2004 ◽  
Vol 27 (2) ◽  
pp. 371-375 ◽  
Author(s):  
Qi-Lin YANG
Keyword(s):  

2001 ◽  
Vol 320 (2) ◽  
pp. 367-380 ◽  
Author(s):  
Jungkai A. Chen ◽  
Christopher D. Hacon
Keyword(s):  

2006 ◽  
Vol 166 (1) ◽  
pp. 1-25 ◽  
Author(s):  
Christopher D. Hacon ◽  
James McKernan

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