Maximum Weight Triangulation and Its Application on Graph Drawing

  • Authors:
  • Cao An Wang;Francis Y. Chin;Bo-Ting Yang

  • Affiliations:
  • -;-;-

  • Venue:
  • COCOON '98 Proceedings of the 4th Annual International Conference on Computing and Combinatorics
  • Year:
  • 1998

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Abstract

In this paper, we investigate the maximum weight triangulation of a polygon inscribed in a circle (simply inscribed polygon). A complete characterization of maximum weight triangulation of such polygons has been obtained. As a consequence of this characterization, an O(n2) algorithm for finding the maximum weight triangulation of an inscribed n-gon is designed. In case of a regular polygon, the complexity of this algorithm can be reduced to O(n). We also show that a tree admits a maximum weight drawing if its internal node connects at most 2 nonleaf nodes. The drawing can be done in O(n) time. Furthermore, we prove a property of maximum planar graphs which do not admit a maximum weight drawing on any set of convex points.