Hardness and approximation results of Roman \{3\}-domination in graphs (Q2695277)

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Hardness and approximation results of Roman \{3\}-domination in graphs
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    Hardness and approximation results of Roman \{3\}-domination in graphs (English)
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    30 March 2023
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    Roman \{3\}-domination
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    \textsf{NP}-complete
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    approximation algorithm
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