Projectivity of the moduli space of stable log-varieties and subadditvity of log-Kodaira dimension
classification
🧮 math.AG
keywords
generalprovedimensionfiberlog-kodairalog-varietiesmodulispace
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We prove a strengthening of Koll\'ar's Ampleness Lemma and use it to prove that any proper coarse moduli space of stable log-varieties of general type is projective. We also prove subadditivity of log-Kodaira dimension for fiber spaces whose general fiber is of log general type.
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Forward citations
Cited by 2 Pith papers
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Enumerative Geometry on KSBA moduli spaces
Two new compactifications of KSBA moduli spaces of general type surfaces admit perfect obstruction theories, enabling virtual fundamental classes and tautological invariants for enumerative geometry.
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The virtual fundamental class for the moduli space of surfaces of general type
Proves existence of virtual fundamental class on KSBA moduli space of stable general type surfaces by constructing it on the moduli stack of lci covers and pushing forward.
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