TY - JOUR
T1 - Combinatorial analysis of point obstructions to local factorizability in three-folds
AU - Schaps, Mary
PY - 1989/2
Y1 - 1989/2
N2 - The paper introduces formally the concept of local factorizability used in earlier factorizability work, identifies the basic form of obstructions to local factorizability of birational morphisms, and outlines a combinatorial technique for analyzing such obstructions. As an application and illustration, two open cases in the classification of birational morphisms with small canonical divisors are settled.
AB - The paper introduces formally the concept of local factorizability used in earlier factorizability work, identifies the basic form of obstructions to local factorizability of birational morphisms, and outlines a combinatorial technique for analyzing such obstructions. As an application and illustration, two open cases in the classification of birational morphisms with small canonical divisors are settled.
UR - http://www.scopus.com/inward/record.url?scp=84972545549&partnerID=8YFLogxK
U2 - 10.14492/hokmj/1381517730
DO - 10.14492/hokmj/1381517730
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AN - SCOPUS:84972545549
SN - 0385-4035
VL - 18
SP - 397
EP - 458
JO - Hokkaido Mathematical Journal
JF - Hokkaido Mathematical Journal
IS - 3
ER -