On self-immersions of infinite graphs

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Autor/in:
Erscheinungsjahr:
2008
Medientyp:
Text
Schlagworte:
  • Antichains
  • Immersion
  • Infinite graphs
  • Seymour's self-minor conjecture
  • Well-quasi-ordering
Beschreibung:
  • The existence of an infinite graph which is not isomorphic to a proper minor of itself was proved by Oporowski. In the present note, it is shown that an analogous result holds when immersions are considered instead of minors. The question whether or not the same is true for weak immersions remains open. © 2008 Wiley Periodicals, Inc.
Lizenz:
  • info:eu-repo/semantics/closedAccess
Quellsystem:
Forschungsinformationssystem der UHH
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oai:www.edit.fis.uni-hamburg.de:publications/9c852016-bff8-4530-89b7-d3ccdddf6e3d