Factoring threefold divisorial contractions to points

2011/06/09 by Chen, Jungkai Alfred
#14E05 (secondary) #14E30 (primary) 14J30 #Algebraic Geometry (math.AG) #FOS: Mathematics

paper · doi:10.48550/arxiv.1106.1705

Abstract

We show that terminal 3-fold divisorial contraction to a point of index >1 with non-minimal discrepancy may be factored into a sequence of flips, flops and divisorial contractions to a point with minimal discrepancies.

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