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A family of formulas with reversal of arbitrarily high avoidability index

Combinatorics 2021-03-16 v1

Abstract

We present a family of avoidable formulas with reversal whose avoidability index is unbounded. We also complete the determination of the avoidability index of the formulas with reversal in the 3-avoidance basis.

Keywords

Cite

@article{arxiv.2103.07693,
  title  = {A family of formulas with reversal of arbitrarily high avoidability index},
  author = {Pascal Ochem},
  journal= {arXiv preprint arXiv:2103.07693},
  year   = {2021}
}

Comments

4 pages