Crossing Minimization in Linear Embeddings of Graphs

  • Authors:
  • Sumio Masuda;Kazuo Nakajima;Toshinobu Kashiwabara;Toshio Fujisawa

  • Affiliations:
  • -;-;-;-

  • Venue:
  • IEEE Transactions on Computers
  • Year:
  • 1990

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Abstract

The problem of embedding a graph in the plane with the minimum number of edge crossings arises in some circuit layout problems. It has been known to be NP-hard in general. Recently, in the area of book embedding, this problem was shown to be NP-hard even when the vertices are placed on a straight line l. The authors show that the problem remains NP-hard even if, in addition to these constraints, the positions of the vertices on l are predetermined.