Element neighbourhoods in twofold triple systems

Charles J. Colbourn, Alexander Rosa

Research output: Contribution to journalArticlepeer-review

6 Scopus citations


The method of differences is used to establish that every 2-regular multigraph on v- 1≡0,2 (mod 3) points occurs as the neighbourhood graph of an element in a twofold triple system of order v, with two exceptions: C2∪C3and C3∪C3.

Original languageEnglish (US)
Pages (from-to)36-41
Number of pages6
JournalJournal of Geometry
Issue number1
StatePublished - Oct 1 1987
Externally publishedYes

ASJC Scopus subject areas

  • Geometry and Topology


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