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October 1989 Combinatorial analysis of point obstructions to local factorizability in three-folds
Mary SCHAPS
Hokkaido Math. J. 18(3): 397-458 (October 1989). DOI: 10.14492/hokmj/1381517730

Abstract

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.

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Mary SCHAPS. "Combinatorial analysis of point obstructions to local factorizability in three-folds." Hokkaido Math. J. 18 (3) 397 - 458, October 1989. https://doi.org/10.14492/hokmj/1381517730

Information

Published: October 1989
First available in Project Euclid: 11 October 2013

zbMATH: 0704.14007
MathSciNet: MR1023226
Digital Object Identifier: 10.14492/hokmj/1381517730

Rights: Copyright © 1989 Hokkaido University, Department of Mathematics

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Vol.18 • No. 3 • October 1989
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