Scandinavian thins on top of cake: on the smallest one-size-fits-all box

  • Authors:
  • Esther M. Arkin;Alon Efrat;George Hart;Irina Kostitsyna;Alexander Kröller;Joseph S. B. Mitchell;Valentin Polishchuk

  • Affiliations:
  • AMS Dept., Stony Brook University;CS Dept., The University of Arizona;The Museum of Mathematics;CS Dept., Stony Brook University;CS Dept., Technische Universität Braunschweig, Germany;AMS Dept., Stony Brook University;CS Dept., University of Helsinki, HIIT, Finland

  • Venue:
  • FUN'12 Proceedings of the 6th international conference on Fun with Algorithms
  • Year:
  • 2012

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Abstract

We show how to compute the smallest rectangle that can enclose any polygon, from a given set of polygons, in nearly linear time; we also present a PTAS for the problem, as well as a linear-time algorithm for the case when the polygons are rectangles themselves. We prove that finding a smallest convex polygon that encloses any of the given polygons is NP-hard, and give a PTAS for minimizing the perimeter of the convex enclosure.