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Longest Cycles in 3-connected Graphs with Given Independence Number
Authors:Y. Manoussakis
Affiliation:(1) Université Paris-Sud 11, L.R.I., Bat. 490, 91405 Orsay Cedex, France
Abstract:Fouquet and Jolivet conjectured that a k-connected graph of order n and independence number α ≥ k has a cycle of length at least $$frac {k(n+alpha -k)}{alpha}$$ [Fouquet and Jolivet, Problèmes combinatoires et théorie des graphes Orsay (1976), Problems, page 438]. Here we prove this conjecture for k=3.
Keywords:Longest cycles 3-connected graphs  Independence number
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