On Central Extensions of Rational Points of Algebraic Groups

DOI10.2307/2373853zbMath0392.20027OpenAlexW3023076505MaRDI QIDQ4173564

Vinay V. Deodhar

Publication date: 1978

Published in: American Journal of Mathematics (Search for Journal in Brave)

Full work available at URL: https://semanticscholar.org/paper/f0ca4e7ad20b9014a5541a97282e20453d91ae0d

zbMATH Keywords

semisimple algebraic groupsmaximal unipotent subgroupsSchur multiplierBorel subgroupcongruence subgroup problemuniversal central extensionquasisplit groupsconnected simply connected absolutely almost simple group

Mathematics Subject Classification ID

Linear algebraic groups over arbitrary fields (20G15) Unimodular groups, congruence subgroups (group-theoretic aspects) (20H05) Extensions, wreath products, and other compositions of groups (20E22) Linear algebraic groups over local fields and their integers (20G25)

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