Abstract
Over p-adic Nagata rings, formal p-divisible groups are classified by nilpotent displays according to T. Zink. We extend this result to arbitrary p-adic rings. The proof uses the Grothendieck–Illusie deformation theory of truncated p-divisible groups.
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Lau, E. Displays and formal p-divisible groups. Invent. math. 171, 617–628 (2008). https://doi.org/10.1007/s00222-007-0090-x
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DOI: https://doi.org/10.1007/s00222-007-0090-x