Universal unramified cohomology of cubic fourfolds containing a plane
published by Asher Auel
in 2013
and research's language is
English
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Abstract in English
We prove the universal triviality of the third unramified cohomology group of a very general complex cubic fourfold containing a plane. The proof uses results on the unramified cohomology of quadrics due to Kahn, Rost, and Sujatha.