2019 | OriginalPaper | Chapter
Critical and Maximum Independent Sets Revisited
Authors : Vadim E. Levit, Eugen Mandrescu
Published in: Mathematical Optimization Theory and Operations Research
Publisher: Springer International Publishing
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Abstract
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\(\mathrm {core}\left( G\right) = {\displaystyle \bigcap } \left\{ S:S\textit{ is a maximum independent set}\right\} \) [16],
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\(\mathrm {corona}\left( G\right) = {\displaystyle \bigcup } \left\{ S:S\textit{ is a maximum independent set}\right\} \) [5],
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\(\mathrm {\ker }(G)= {\displaystyle \bigcap } \left\{ S:S\textit{ is a critical independent set}\right\} \) [18],
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\(\mathrm {nucleus}(G)= {\displaystyle \bigcap } \left\{ S:S\textit{ is a maximum critical independent set}\right\} \) [12]
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\(\mathrm {diadem}(G)= {\displaystyle \bigcup } \left\{ S:S\textit{ is a (maximum) critical independent set}\right\} \) [24].