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arxiv: 1605.04372 · v1 · pith:LD2S6253new · submitted 2016-05-14 · 🧮 math.AG

Betti numbers in three dimensional minimal model program

classification 🧮 math.AG
keywords bettiminimalmodelnumberprogramboundeddependsdimensional
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Let $X$ be a smooth projective threefold. We prove that, among the process of minimal model program, the variance of the third Betti number can be bounded by some integer depends only on the Picard number of $X$.

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