2022 Volume 74 Issue 3 Pages 849-872
Let \bar{π} be a normal surface that is the canonical π2- or πΌ2-covering of a classical or supersingular Enriques surface in characteristic 2. We determine all possible configurations of singularities on \bar{π}, and for each configuration we describe which type of Enriques surfaces (classical or supersingular) appear as quotients of \bar{π}.
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