Factoring threefold divisorial contractions to points
classification
🧮 math.AG
keywords
divisorialcontractionspointcontractiondiscrepanciesdiscrepancyfactoredfactoring
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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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