J. Aust. Math. Soc.  82 (2007), 315-324
Monothetic algebraic groups

Giovanni Falcone
  Dipartimento di Metodi e Modelli Matematici
  Università di Palermo
  viale delle Scienze
  I-90128 Palermo
  Italy
  gfalcone@unipa.it
Peter Plaumann
  Mathematisches Institut
  Universität Erlangen
  Bismarckstraße 1 1/2
  D-91054 Erlangen
  Germany
  plaumann@mi.uni-erlangen.de
and
Karl Strambach
  Mathematisches Institut
  Universität Erlangen
  Bismarckstraße 1 1/2
  D-91054 Erlangen
  Germany
  strambach@mi.uni-erlangen.de


Abstract
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.
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