On automorphisms of arithmetic subgroups of unipotent groups in positive characteristic

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dc.creatorLifschitz, Lucy
dc.creatorWitte, Dave
dc.date2000-07-20
dc.date.accessioned2026-07-07T04:36:27Z
dc.date.available2026-07-07T04:36:27Z
dc.descriptionLet F be a local field of positive characteristic, and let G be either a Heisenberg group over F, or a certain (nonabelian) two-dimensional unipotent group over F. If H is an arithmetic subgroup of G, we provide an explicit description of every automorphism of H. From this description, it follows that every automorphism of H virtually extends to a virtual automorphism of G.
dc.descriptionLatex2e file, 20 pages, no figures
dc.identifierhttps://arxiv.org/abs/math/0007127
dc.identifierhttp://arxiv.org/abs/math/0007127
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/59602
dc.subjectGroup Theory
dc.subject20G25; 22D45
dc.titleOn automorphisms of arithmetic subgroups of unipotent groups in positive characteristic
dc.typetext

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