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Wolfgang Haken

Affiliations:
  • University of Illinois at Urbana-Champaign, Department of Mathematics, USA


According to our database1, Wolfgang Haken authored at least 3 papers between 1977 and 1979.

Collaborative distances:
  • Dijkstra number2 of six.
  • Erdős number3 of four.

Timeline

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Bibliography

1979
Triangulation a v5 séparés dans le problème des quatre couleurs.
[BibTeX]
[DOI]
Kenneth Appel
,
Wolfgang Haken
,
Jean Mayer
J. Comb. Theory B, 1979

An unavoidable set of configurations in planar triangulations.
[BibTeX]
[DOI]
Kenneth Appel
,
Wolfgang Haken
J. Comb. Theory B, 1979

1977
An attempt to understand the four color problem.
[BibTeX]
[DOI]
Wolfgang Haken
J. Graph Theory, 1977


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