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    A characterization of semisimple plane polynomial automorphisms
    (Oberwolfach : Mathematisches Forschungsinstitut Oberwolfach, 2008) Maubach, Stephan; Furter, Jean-Philippe
    It is well-known that an element of the linear group GLn(C) is semisimple if and only if its conjugacy class is Zariski closed. The aim of this paper is to show that the same result holds for the group of complex plane polynomial automorphisms.