Double quadrics with large automorphism groups

Victor V. Przyjalkowski ; Constantin A. Shramov

Informatics and Automation, Modern problems of mathematics, mechanics, and mathematical physics. II, Tome 294 (2016), pp. 167-190.

Résumé

We classify nodal Fano threefolds that are double covers of smooth quadrics branched over intersections with quartics and are acted on by finite simple non-abelian groups. We also study their rationality.

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