Abstract
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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Published in Russian in Trudy Matematicheskogo Instituta imeni V.A. Steklova, 2016, Vol. 294, pp. 167–190.
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Przyjalkowski, V.V., Shramov, C.A. Double quadrics with large automorphism groups. Proc. Steklov Inst. Math. 294, 154–175 (2016). https://doi.org/10.1134/S0081543816060109
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DOI: https://doi.org/10.1134/S0081543816060109