Contents

-

Counterexample to a Conjecture on Hamilton Cycles

A. Muthusamy1
1Department of Mathematics Annamalai University Annamalainagar 608 002 India

Abstract

A counterexample is presented to the following conjecture of Jackson: If G is a 2-connected graph on at most 3k+2 vertices with degree sequence (k,k,,k,k+1,k+1), then G is hamiltonian.