Some properties of line digraphs

  • Frank Harary
  • Robert Z. Norman
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References

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    C. Berge,Theorie des graphes et ses applications, Paris, 1958.Google Scholar
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    F. Harary,The number of functional digraphs. Math. Annalen 138 (1959) 203–210.MATHCrossRefGoogle Scholar
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    D. König,Theorie der endlichen und unendlichen Graphen. Leipzig, 1936; reprinted New York, 1950.Google Scholar
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    J. Krausz,Demonstration nouvelle d'une théorème de Whitney sur les reseaux. Mat. Fiz. Lapok 50 (1943) 75–85.MATHMathSciNetGoogle Scholar
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    R. Z. Norman,A new proof of an isomorphism theorem for graphs. In process of publication.Google Scholar
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    H. Whitney,Congruent graphs and the connectivity of graphs. Amer. J. Math. 54 (1932) 150–168.MATHCrossRefMathSciNetGoogle Scholar

Copyright information

© Springer 1960

Authors and Affiliations

  • Frank Harary
    • 1
    • 2
  • Robert Z. Norman
    • 1
    • 2
  1. 1.Ann ArborU. S. A.
  2. 2.HanoverU. S. A.

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