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Contractible Lie groups over local fields

By Helge Glöckner

Abstract

Let G be a Lie group over a local field of characteristic p> 0 which admits a contractive automorphism α: G → G (i.e., α n (x) → 1 as n → ∞, for each x ∈ G). We show that G is a torsion group of finite exponent and nilpotent. We also obtain results concerning the interplay between contractive automorphisms of Lie groups over local fields, contractive automorphisms of their Lie algebras, and positive gradations thereon. Some of the results even extend to Lie groups over arbitrary complete ultrametric fields

Topics: nilpotent group, stable manifold
Year: 2007
OAI identifier: oai:CiteSeerX.psu:10.1.1.312.8015
Provided by: CiteSeerX
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