Largest Domination Number and Smallest Independence Number of Forests with given Degree Sequence

preprint2015arXivOpen access

Abstract

For a sequence dd of non-negative integers, let F(d){\cal F}(d) be the set of all forests whose degree sequence is dd. We present closed formulas for γmax⁡F(d)=max⁡{γ(F):F∈F(d)}γ_{\max}^{\cal F}(d)=\max\{ γ(F):F\in {\cal F}(d)\} and αmin⁡F(d)=min⁡{α(F):F∈F(d)}α_{\min}^{\cal F}(d)=\min\{ α(F):F\in {\cal F}(d)\} where γ(F)γ(F) and α(F)α(F) are the domination number and the independence number of a forest FF, respectively.

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