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Shafarevich Seminar
December 20, 2022 15:00, Moscow, Steklov Mathematical Institute, Room. 104 (8 Gubkina) + Zoom
 


Central models of algebraic varieties

V. V. Shokurov
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MP4 2,721.8 Mb

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Abstract: We discuss the CW-complex, associated with an algebraic variety, the cells of which correspond to central models of the variety. The acyclic property of complex, conjectured by me in 2011 in a form of elementary relations of Sarkisov links, was recently verified by my student Yang He. Moreover, he established that the complex is contractible if it is not empty, equivalently, uniruled.
 
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