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ВИДЕОТЕКА |
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Rings and varieties Miles Reid University of Warwick |
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Аннотация: I leave the title and abstract as vague as possible, so that I can talk about whatever I feel like on the day. Many varieties of interest in the classification of varieties are obtained as Spec or Proj of a Gorenstein ring. In codimension For introductory tutorial material, see my website + surfaces + Graded rings and the associated homework. For applications of Gorenstein unprojection, see “Graded rings and birational geometry” on my website + 3-folds, or the more recent paper. Gavin Brown, Michael Kerber and Miles Reid, Fano 3-folds in codimension 4, Tom and Jerry (unprojection constructions of Язык доклада: английский |