Independence number, connectivity, and r‐factors

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Abstract

We show that if r ⩾ 1 is an odd integer and G is a graph with |V(G)| even such that k(G) ⩾ (r + 1)2/2 and (r + 1)2α(G) ⩽ 4rk(G), then G has an r‐factor; if r ⩾ 2 is even and G is a graph with k(G) ⩾ r(r + 2)/2 and (r + 2)α(G) ⩽ 4k(G), then G has an r‐factor (where k(G) and α(G) denote the connectivity and the independence number of G, respectively).

Original languageEnglish
Pages (from-to)63-69
Number of pages7
JournalJournal of Graph Theory
Volume13
Issue number1
DOIs
Publication statusPublished - 1989 Jan 1
Externally publishedYes

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ASJC Scopus subject areas

  • Geometry and Topology

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