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Bounds on the k-domination number of a graph
<span title="">2011</span>
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<a target="_blank" rel="noopener" href="https://fatcat.wiki/container/deqidnohqjdu7gsln5vdm6obre" style="color: black;">Applied Mathematics Letters</a>
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The k-domination number of a graph is the cardinality of a smallest set of vertices such that every vertex not in the set is adjacent to at least k vertices of the set. We prove two bounds on the k-domination number of a graph, inspired by two conjectures of the computer program Graffiti.pc. In particular, we show that for any graph with minimum degree at least 2k − 1, the k-domination number is at most the matching number.
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