Moduli curves of supersingular K3 surfaces in characteristic 2 with Artin invariant 2
Ichiro Shimada
Abstract
We construct explicitly moduli curves of polarized supersingular K3 surfaces in characteristic 2 with Artin invariant 2. As an application, we detect a "jump" phenomenon in a family of automorphism groups of supersingular K3 surfaces with a constant Néron-Severi lattice.
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