CI-property of Cp2×Cn and Cp2×Cq2 for digraphs

István Kovács, Mikhail Muzychuk, Péter P. Pálfy, Grigory Ryabov, Gábor Somlai

Research output: Contribution to journalArticlepeer-review

Abstract

We prove that the direct product of two coprime order elementary abelian groups of rank two, as well as the direct product of a cyclic group of prime order and a cyclic group of square-free order are DCI-groups. The latter is a generalization of Muzychuk's result on cyclic groups (J. Combin. Theory Ser. A, 1995).

Original languageEnglish
Article number105738
JournalJournal of Combinatorial Theory. Series A
Volume196
DOIs
StatePublished - 1 May 2023

Keywords

  • CI-property
  • Cayley graph
  • Schur ring

ASJC Scopus subject areas

  • Theoretical Computer Science
  • Discrete Mathematics and Combinatorics
  • Computational Theory and Mathematics

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