Computing a minimum-depth planar graph embedding in O(n4) time

  • Authors:
  • Patrizio Angelini;Giuseppe Di Battista;Maurizio Patrignani

  • Affiliations:
  • Dipartimento di Informatica e Automazione, Università di Roma Tre;Dipartimento di Informatica e Automazione, Università di Roma Tre;Dipartimento di Informatica e Automazione, Università di Roma Tre

  • Venue:
  • WADS'07 Proceedings of the 10th international conference on Algorithms and Data Structures
  • Year:
  • 2007

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Abstract

Consider an n-vertex planar graph G. We present an O(n4)- time algorithm for computing an embedding of G with minimum distance from the external face. This bound improves on the best previous bound by an O(n log n) factor. As a side effect, our algorithm improves the bounds of several algorithms that require the computation of a minimum depth embedding.