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Monothetic algebraic groups

Published online by Cambridge University Press:  09 April 2009

Giovanni Falcone
Affiliation:
Dipartimento di Metodi e Modelli MatematiciUniversità di Palermoviale delle Scienze1-90128 PalermoItalygfalcone@unipa.it
Peter Plaumann
Affiliation:
Mathematisches InstitutUniversität ErlangenBismarckstraße 1 ½D-91054 ErlangenGermanyplaumann@mi.uni-erlangen.destrambach@mi.uni-erlangen.de
Karl Strambach
Affiliation:
Mathematisches InstitutUniversität ErlangenBismarckstraße 1 ½D-91054 ErlangenGermanyplaumann@mi.uni-erlangen.destrambach@mi.uni-erlangen.de
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Abstract

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We call an algebraic group monothetic if it possesses a dense cyclic subgroup. For an arbitrary field k we describe the structure of all, not necessarily affine, monothetic k-groups G and determine in which cases G has a k-rational generator.

Type
Research Article
Copyright
Copyright © Australian Mathematical Society 2007

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