Contents

Ars Combinatoria

  • Research article

Characterizing Intersection Graphs of Substars of a Star

Marcia R.Cerioli1, Jayme L.Szwarcfiter2
1Universidade Federal do Rio de Janeiro, Instituto de Matemdtica and COPPE, Caixa Postal 68530, 21945-970, Rio de Janeiro, RJ, Brasil,
2Universidade Federal do Rio de Janeiro, Instituto de Matematica, Nticleo de Com- putac#o Eletrénica and COPPE, Caixa Postal 2324, 2001-970, Rio de Janeiro, RJ, Brasil.
  • Published: 30/04/2006

Abstract

Starlike graphs are the intersection graphs of substars of a star. We describe different characterizations of starlike graphs, including one by forbidden subgraphs. In addition, we present characterizations for a natural subclass of it, the starlike-threshold graphs.

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Citation
Marcia R.Cerioli, Jayme L.Szwarcfiter. Characterizing Intersection Graphs of Substars of a Star[J], Ars Combinatoria, Volume 079. 21-31. .