On pseudo-involutions, involutions and quasi-involutions in the group of almost Riordan arrays

Paul Barry, Nikolaos Pantelidis

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

The group of almost Riordan arrays contains the group of Riordan arrays as a subgroup. In this note, we exhibit examples of pseudo-involutions, conditions under which we define an involution, and methods of constructing quasi-involutions in the group of almost Riordan arrays.

Original languageEnglish
Pages (from-to)399-423
Number of pages25
JournalJournal of Algebraic Combinatorics
Volume54
Issue number2
DOIs
Publication statusPublished - Sep 2021

Keywords

  • Almost Riordan arrays
  • Involution
  • Pseudo-involution
  • Quasi-compression
  • Quasi-involution
  • Quasi-transitional matrix
  • Riordan arrays

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