Skip to main content
Log in

Connected but not path-connected subspaces of infinite graphs

  • Published:
Combinatorica Aims and scope Submit manuscript

Abstract

Solving a problem of Diestel [9] relevant to the theory of cycle spaces of infinite graphs, we show that the Freudenthal compactification of a locally finite graph can have connected subsets that are not path-connected. However we prove that connectedness and path-connectedness to coincide for all but a few sets, which have a complicated structure.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Institutional subscriptions

Similar content being viewed by others

References

  1. M. A. Armstrong: Basic Topology, Springer-Verlag, 1983.

  2. H. Bruhn: The cycle space of a 3-connected locally finite graph is generated by its finite and infinite peripheral circuits, J. Combin. Theory (Series B) 92 (2004), 235–256.

    Article  MATH  MathSciNet  Google Scholar 

  3. H. Bruhn and R. Diestel: Duality in infinite graphs, Comb., Probab. Comput. 15(1–2) (2006), 75–90.

    Article  MATH  MathSciNet  Google Scholar 

  4. H. Bruhn, R. Diestel and M. Stein: Cycle-cocycle partitions and faithful cycle covers for locally finite graphs, J. Graph Theory 50 (2005), 150–161.

    Article  MATH  MathSciNet  Google Scholar 

  5. H. Bruhn and M. Stein: MacLane’s planarity criterion for locally finite graphs, J. Combin. Theory (Series B) 96(2) (2006), 225–239.

    Article  MATH  MathSciNet  Google Scholar 

  6. H. Bruhn and M. Stein: On end degrees and infinite circuits in locally finite graphs, Combinatorica 27(3) (2007), 269–291.

    Article  MATH  MathSciNet  Google Scholar 

  7. H. Bruhn and X. Yu: Hamilton cycles in infinite planar graphs, see Chapter 6 of H. Bruhn, Infinite circuits in locally finite graphs, PhD thesis, Universität Hamburg, 2005.

  8. D. I. Cartwright, P. M. Soardi and W. Woess: Martin and end compactifications for nonlocally finite graphs, Trans. Am. Math. Soc. 338 (1993), 679–693.

    Article  MATH  MathSciNet  Google Scholar 

  9. R. Diestel: The cycle space of an infinite graph, Comb., Probab. Comput. 14 (2005), 59–79.

    Article  MATH  MathSciNet  Google Scholar 

  10. R. Diestel: Graph Theory, 3rd edition, Springer-Verlag, 2005. Electronic edition available at: http://www.math.uni-hamburg.de/home/diestel/books/graph.theory.

  11. R. Diestel and D. Kühn: Graph-theoretical versus topological ends of graphs, J. Combin. Theory (Series B) 87 (2003), 197–206.

    Article  MATH  Google Scholar 

  12. R. Diestel and D. Kühn: On infinite cycles I, Combinatorica 24(1) (2004), 68–89.

    Article  Google Scholar 

  13. R. Diestel and D. Kühn: On infinite cycles II, Combinatorica 24(1) (2004), 91–116.

    Article  MathSciNet  Google Scholar 

  14. R. Diestel and D. Kühn: Topological paths, cycles and spanning trees in infinite graphs; Europ. J. Combin. 25(6) (2004), 835–862.

    Article  MATH  Google Scholar 

  15. H. Freudenthal: Über die Enden topologischer Räume und Gruppen, Math. Zeitschr. 33 (1931), 692–713.

    Article  MATH  MathSciNet  Google Scholar 

  16. D. W. Hall and G. L. Spencer: Elementary Topology, John Wiley, New York, 1955.

    MATH  Google Scholar 

  17. D. König: Theorie der endlichen und unendlichen Graphen, Akademische Verlagsgesellschaft, 1936.

  18. N. Polat: Ends and multi-endings I, J. Combin. Theory (Series B) 67 (1996), 86–110.

    Article  MATH  MathSciNet  Google Scholar 

  19. M. Stein: Arboricity and tree-packing in locally finite graphs, J. Combin. Theory (Series B) 96(2) (2006), 302–312.

    Article  MATH  Google Scholar 

  20. M. Stein: Forcing highly connected subgraphs, J. Graph Theory 54(4) (2007), 331–349.

    Article  MATH  MathSciNet  Google Scholar 

  21. W. Woess: Random walks on infinite graphs and groups, Cambridge University Press, 2002.

Download references

Author information

Authors and Affiliations

Authors

Corresponding author

Correspondence to Angelos Georgakopoulos.

Rights and permissions

Reprints and permissions

About this article

Cite this article

Georgakopoulos, A. Connected but not path-connected subspaces of infinite graphs. Combinatorica 27, 683–698 (2007). https://doi.org/10.1007/s00493-007-2188-6

Download citation

  • Received:

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1007/s00493-007-2188-6

Mathematics Subject Classification (2000)

Navigation