Drawing Graphs on Two and Three Lines

  • Authors:
  • Sabine Cornelsen;Thomas Schank;Dorothea Wagner

  • Affiliations:
  • -;-;-

  • Venue:
  • GD '02 Revised Papers from the 10th International Symposium on Graph Drawing
  • Year:
  • 2002

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Abstract

We give a linear-time algorithm to decide whether a graph has a planar LL-drawing, i.e. a planar drawing on two parallel lines. This has previously been known only for trees. We utilize this result to obtain planar drawings on three lines for a generalization of bipartite graphs, also in linear time.