Global generation of pluricanonical and adjoint linear series on smooth projective threefolds

Lawrence Ein, Robert Lazarsfeld
1993 Journal of The American Mathematical Society  
Now ord E (P) > 0 if and only if b. -cr. -o. > O. In this case j J J J bj > OJ + crj = OJ + (1 ~ do ) rj ~ OJ + (1do)tj by (5.3.4) > tj by (5.3.3).
doi:10.1090/s0894-0347-1993-1207013-5 fatcat:bvqblo6jbrdgnajcbhz2nz3n4u