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arxiv 2305.12337 v1 pith:QE4ONQSH submitted 2023-05-21 math.AG

Vanishing theorems for generalized pairs

classification math.AG
keywords generalizedpairstheoremvanishingallowsapproachbase-point-freenessconsequence
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We establish the Kodaira vanishing theorem and the Kawamata-Viehweg vanishing theorem for lc generalized pairs. As a consequence, we provide a new proof of the base-point-freeness theorem for lc generalized pairs. This new approach allows us to prove the contraction theorem for lc generalized pairs without using Koll\'ar's gluing theory.

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