A very general quartic double fourfold is not stably rational

Brendan Hassett, Alena Pirutka, Yuri Tschinkel

arXiv (Cornell University) · 2016 · 10 citations · 5 references

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Abstract

We prove that a very general double cover of the projective four-space, ramified in a quartic threefold, is not stably rational.

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