Betti numbers in three dimensional minimal model program

Abstract

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 $X$.

References in corpus (4)

• Divisorial contractions in dimension three which contract divisors to smooth points
• Chern numbers and diffeomorphism types of projective varieties
• Factoring 3-fold flips and divisorial contractions to curves
• Betti numbers in three dimensional minimal model program

Cited by in corpus (1)

• Betti numbers in three dimensional minimal model program