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Algorithms and bounds for drawing non-planar graphs with crossing-free subgraphs

Published: 01 December 2015 Publication History

Abstract

We initiate the study of the following problem: Given a non-planar graph G and a planar subgraph S of G, does there exist a straight-line drawing of G in the plane such that the edges of S are not crossed in by any edge of G__ __ We give positive and negative results for different kinds of connected spanning subgraphs S of G. Moreover, in order to enlarge the subset of instances that admit a solution, we consider the possibility of bending the edges of G not in S; in this setting we discuss different trade-offs between the number of bends and the required drawing area.

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        cover image Computational Geometry: Theory and Applications
        Computational Geometry: Theory and Applications  Volume 50, Issue C
        December 2015
        48 pages

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        Elsevier Science Publishers B. V.

        Netherlands

        Publication History

        Published: 01 December 2015

        Author Tags

        1. Algorithms
        2. Area requirement
        3. Crossing complexity
        4. Graph drawing
        5. Graph planarity

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