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Plenary lectureSharply 2-transitive groups |
Katrin Tent, Universität Münster, Germany
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Finite sharply $2$-transitive groups were classified by Zassenhaus
in the 1930s and were shown to have regular abelian normal
subgroups. While there were partial results in the infinite setting
the question whether the same holds for infinite groups remained
open. We show that this is not the case and give a general
construction for obtaining sharply $2$-transitive groups without
abelian normal subgroup.
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