Substitution-closed pattern classes

  • Authors:
  • M. D. Atkinson;N. Ruškuc;Rebecca Smith

  • Affiliations:
  • Department of Computer Science, University of Otago, New Zealand;School of Mathematics and Statistics, University of St. Andrews, UK;Department of Mathematics, SUNY Brockport, USA

  • Venue:
  • Journal of Combinatorial Theory Series A
  • Year:
  • 2011

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Abstract

The substitution closure of a pattern class is the class of all permutations obtained by repeated substitution. The principal pattern classes (those defined by a single restriction) whose substitution closure can be defined by a finite number of restrictions are classified by listing them as a set of explicit families.