A flow approach to upward drawings of toroidal maps

  • Bojan Mohar
  • Pierre Rosenstiehl
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 894)


The model of the torus as a parallelogram in the plane with opposite sides identified enables us to speak of upward drawings of graphs in the torus. It is shown that upward embeddings of a toroidal map can be obtained in a very natural way by means of flow techniques.


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Copyright information

© Springer-Verlag 1995

Authors and Affiliations

  • Bojan Mohar
    • 1
  • Pierre Rosenstiehl
    • 2
  1. 1.Department of MathematicsUniversity of LjubljanaSlovenia
  2. 2.Centre d'Analyse et de Mathématique SocialesEHESSParisFrance

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