On intriguing sets of the Penttila-Williford association scheme

John Bamberg, Klaus Metsch

Research output: Contribution to journalArticle

Abstract

We investigate intriguing sets of an association scheme introduced by Penttila and Williford (2011) that was the basis for their construction of primitive cometric association schemes that are not P-polynomial nor the dual of a P-polynomial scheme. In particular, we give examples and characterisation results for the four types of intriguing sets that arise in this scheme.

Original languageEnglish
Pages (from-to)327-345
Number of pages19
JournalLinear Algebra and Its Applications
Volume582
DOIs
Publication statusPublished - 1 Dec 2019

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