Minimal models and degenerations of surfaces with Kodaira number zero

Crauder, Bruce; Morrison, David R.

doi:10.1090/S0002-9947-1994-1151178-8

Minimal models and degenerations of surfaces with Kodaira number zero
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by Bruce Crauder and David R. Morrison PDF

Trans. Amer. Math. Soc. 343 (1994), 525-558 Request permission

Abstract:

For Ueno’s degenerations of abelian surfaces and for analytic flowerpot degenerations of surfaces with Kodaira number zero, we find analytically $\mathbb {Q}$-factorial terminal minimal models. All contractions, singularities and flips are given by explicit geometric constructions.

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