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Listar por autor "Klein, Rolf"  

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      Abstract Voronoi diagrams 

      Klein, Rolf (2013)
      Abstract Voronoi diagrams are a unifying framework that covers many types of concrete Voronoi diagrams. This talk reports on the state of the art, including recent progress.
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      Competitive search ratio of graphs and polygons 

      Fleischer, Rudolf; Kamphans, Tom; Klein, Rolf; Langetepe, Elmar; Trippen, Gerhard (2004)
      We consider the problem of searching for a goal in an unknown environment, which may be a graph or a polygonal environment. ...
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      Geometric dilation of closed planar curves: a new lower bound 

      Ebbers-Baumann, Annette; Grüne, Ansgar; Klein, Rolf (2004)
      Given any simple closed curve C in the Euclidean plane, let w and D denote the minimal and the maximal caliper distances ...
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      Solving nonconvex planar location problems by nite dominating sets 

      Carrizosa Priego, Emilio José; Hamacher, Horst W.; Klein, Rolf; Nickel, Stefan (Springer, 2000-10)
      It is well-known that some of the classical location problems with polyhedral gauges can be solved in polynomial time by ...