Total domination in interval graphs revisited (Q1114413)

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scientific article; zbMATH DE number 4083000
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English
Total domination in interval graphs revisited
scientific article; zbMATH DE number 4083000

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    Total domination in interval graphs revisited (English)
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    1988
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    A previous paper [\textit{J. M. Keil}, ibid. 22, 171-174 (1986; Zbl 0595.05063)] gave an algorithm which claimed to compute a minimum total- dominating set of an interval graph in linear time. This paper presents a family of examples where that algorithm produces the wrong answer. A corrected algorithm is also presented.
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    total domination
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    interval graph
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    algorithm
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