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Speaker:

Sergey Galkin
Date:

Thu, 2013-09-05 11:15 - 12:00
Location:

MPIM Lecture Hall Ill talk about a joint work with Evgeny Shinder. We establish a

relation between a variety of lines and a symmetric square of a cubic

hypersurface. The relation holds in the Grothendieck ring of

varieties, so in particular it proves there are 27 lines on smooth

cubic surface (and some other numbers for surfaces with

singularities), computes Hodge numbers for varieties of lines, etc.

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