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New examples of rational Gushel-Mukai fourfolds (1910.12838v2)
Published 28 Oct 2019 in math.AG
Abstract: We construct new examples of rational Gushel-Mukai fourfolds, giving more evidence for the analog of the Kuznetsov Conjecture for cubic fourfolds: a Gushel--Mukai fourfold is rational if and only if it admits an associated K3 surface.