This article generalizes the isogeny of p-divisible groups with slope filtration to log p-divisible groups, indicating broader applications.
Oort–Zink proved that a p -divisible group over a normal base in characteristic p with constant Newton polygon is isogenous to a p -divisible group admitting a slope filtration. In this article, we generalize this result to log p -divisible groups.
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K. Inoue (2026) studied this question.
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