P-jets of finite algebras. I: -divisible groups

  • Alexandru Buium

    Department of Mathematics and Statistics University of New Mexico Albuquerque NM 87131 USA
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Abstract

-jets of finite flat maps of schemes are generally neither finite nor flat. However, for -isogenies, and in particular for -divisible groups, this pathology tends to disappear “in the limit”. We illustrate this in the case of , elliptic curves, and formal groups of finite height.

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Alexandru Buium, P-jets of finite algebras. I: -divisible groups. Doc. Math. 18 (2013), pp. 943–969

DOI 10.4171/DM/417