  <eprint id="http://gdea.informatik.uni-koeln.de/id/eprint/750" xmlns="http://eprints.org/ep2/data/2.0">
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    <datestamp>2007-03-27</datestamp>
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    <status_changed>2008-09-18 11:09:03</status_changed>
    <type>journalp</type>
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    <abstract>A necessary and sufficient condition is given for a connected bipartite graph to be the incidence graph of a contact family of segments and points. We deduce that any 4-connected 3-colorable plane graph is the contact graph of a family of segments and that any 4-colored planar graph without an induced C4 using 4 colors is the intersection graph of a family of straight line segments.</abstract>
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    <creators>
      <item>
        <name>
          <family>de Fraysseix</family>
          <given>Hubert</given>
        </name>
      </item>
      <item>
        <name>
          <family>Ossona de Mendez</family>
          <given>Patrice</given>
        </name>
      </item>
    </creators>
    <ispublished>pub</ispublished>
    <number>4</number>
    <pagerange>453-463</pagerange>
    <pubdom>FALSE</pubdom>
    <publication>Algorithmica</publication>
    <refereed>TRUE</refereed>
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    <subjects>
      <item>Z.500</item>
      <item>M.999</item>
      <item>P.999</item>
      <item>Z.250</item>
    </subjects>
    <title>On representations by contact and intersection of segments</title>
    <volume>47</volume>
    <date_type>published</date_type>
    <date>2007</date>
    <full_text_status>none</full_text_status>
    <documents></documents>
  </eprint>
