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Wilf equivalences between vincular patterns in inversion sequences

Author

Listed:
  • Auli, Juan S.
  • Elizalde, Sergi

Abstract

Inversion sequences are finite sequences of non-negative integers, where the value of each entry is bounded from above by its position. They provide a useful encoding of permutations. Patterns in inversion sequences have been studied by Corteel–Martinez–Savage–Weselcouch and Mansour–Shattuck in the classical case, where patterns can occur in any positions, and by Auli–Elizalde in the consecutive case, where only adjacent entries can form an occurrence of a pattern. These papers classify classical and consecutive patterns of length 3 into Wilf equivalence classes according to the number of inversion sequences avoiding them.

Suggested Citation

  • Auli, Juan S. & Elizalde, Sergi, 2021. "Wilf equivalences between vincular patterns in inversion sequences," Applied Mathematics and Computation, Elsevier, vol. 388(C).
  • Handle: RePEc:eee:apmaco:v:388:y:2021:i:c:s0096300320304720
    DOI: 10.1016/j.amc.2020.125514
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