Noncommutative enhancements of contractions

Donovan, W; Wemyss, M

Donovan, W (reprint author), Tsinghua Univ, Yau Math Sci Ctr, Beijing 100084, Peoples R China.

ADVANCES IN MATHEMATICS, 2019; 344 (): 99

Abstract

Given a contraction of a variety X to a base Y, we enhance the locus in Y over which the contraction is not an isomorphism with a certain sheaf of non......

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