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Semistable divisorial contractions

The semistable minimal model program is a special case of the minimal model program concerning 3-folds fibred over a curve and birational morphisms preserving this structure. We classify semistable divisorial contractions which contract the exceptional divisor to a normal point of a fibre. Our results can be applied to describe compact moduli spaces of surfaces.

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AuthorshipTopic signalWSemistable divisorial contractionspreprint / 2003APaul HackingResearcherTmath.AG5393 works
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Semistable divisorial contractions

preprint / 2003

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