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On the Hadwiger number of infinite graphs

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Abstract

LetX be a connected graph with bounded valency and at least one thick end. We show that the existence of certain subgroups of the automorphism group ofX always implies thatX has infinite Hadwiger number.

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Authors and Affiliations

  1. Institut für Mathematik und Angewandte Geometrie, Montanuniversität Leoben, A-8700, Leoben, Austria

    N. Seifter

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  1. N. Seifter
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Seifter, N. On the Hadwiger number of infinite graphs. Abh.Math.Semin.Univ.Hambg. 62, 207–215 (1992). https://doi.org/10.1007/BF02941627

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  • DOI: https://doi.org/10.1007/BF02941627

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