Factoring threefold divisorial contractions to points

• Jungkai Alfred Chen ^[1]
  1. [1] National Taiwan University

     National Taiwan University

     Taiwán

     
• Localización: Annali della Scuola Normale Superiore di Pisa. Classe di scienze, ISSN 0391-173X, Vol. 13, Nº 2, 2014, págs. 435-463
• Idioma: inglés
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• Resumen

  • We show that any 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 points with minimal discrepancies.