Irredundance and Maximum Degree in Graphs

E. J. Cockayne, Christina M. Mynhardt

Combinatorics Probability Computing · 1997 · 19 citations · 2 references

Concepts

Abstract

It is proved that the smallest cardinality among the maximal irredundant sets in an n –vertex graph with maximum degree Δ([ges ]2) is at least 2 n /3Δ. This substantially improves a bound by Bollobás and Cockayne [1]. The class of graphs which attain this bound is characterised.

References

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