, Volume 171, Issue 3, pp 617-628
Date: 14 Nov 2007

Displays and formal p-divisible groups

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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.