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文章基本信息

  • 标题:Convex polyhedra with triangular faces and cone triangulation
  • 本地全文:下载
  • 作者:Stojanović Milica ; Vučković Milica
  • 期刊名称:Yugoslav Journal of Operations Research
  • 印刷版ISSN:0354-0243
  • 电子版ISSN:1820-743X
  • 出版年度:2011
  • 卷号:21
  • 期号:1
  • 页码:79-92
  • DOI:10.2298/YJOR1101079S
  • 出版社:Faculty of Organizational Sciences, Belgrade, Mihajlo Pupin Institute, Belgrade, Economics Institute, Belgrade, Faculty of Transport and Traffic Engineering, Belgrade, Faculty of Mechanical Engineering, Belgrade
  • 摘要:

    Considering the problem of the minimal triangulation for a given polyhedra (dividing polyhedra into tetrahedra) it is known that the cone triangulation provides the number of tetrahedra which is the smallest, or the closest to it. It is also shown that when we want to know whether the cone triangulation is the minimal one, it is necessary to find the order of all vertices, as well as the order of “separating circles”. Here, we will give algorithms for testing the necessary condition for the cone triangulation if it is the minimal one. The algorithm for forming the cone triangulation will also be given.

  • 关键词:Triangulation of polyhedra; minimal triangulation; graph algorithms; abstract data type of graph
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