On the signed $2$-independence number of graphs

S.M. Hosseini Moghaddam, D.A. Mojdeh, Babak Samadi, Lutz Volkmann

Abstract


In this paper, we study the signed 2-independence number in graphs and give new sharp upper and lower bounds on the signed 2-independence number of a graph by a simple uniform approach. In this way, we can improve and generalize some known results in this area.


Keywords


domination number, limited packing, tuple domination, signed 2-independence number

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DOI: http://dx.doi.org/10.5614/ejgta.2017.5.1.4

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ISSN: 2338-2287

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