Signed involutions avoiding 2-letter signed patterns

W. M.B. Dukes, Toufik Mansour

Research output: Contribution to journalArticlepeer-review


Let I n be the class of all signed involutions in the hyperoctahedral group script B signn and let I n (T) be the set of involutions in I n which avoid a set T of signed patterns. In this paper, we complete a further case of the program initiated by Simion and Schmidt [6] by enumerating I n (T) for all signed permutations T ⊂ B2 .

Original languageEnglish
Pages (from-to)387-403
Number of pages17
JournalAnnals of Combinatorics
Issue number3-4
StatePublished - Dec 2007


  • Involutions
  • Pattern avoidance
  • Signed patterns

ASJC Scopus subject areas

  • Discrete Mathematics and Combinatorics


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