Algorithmic aspects of distance constrained labeling: a survey
Distance constrained labeling problems, e.g., L(p,q)-labeling and (p,q)-total labeling, are originally motivated by the frequency assignment. From the viewpoint of theory, the upper bounds on the labeling numbers and the time complexity of finding a minimum labeling are intensively and extensively studied. In this paper, we survey the distance constrained labeling problems from algorithmic aspects, that is, computational complexity, approximability, exact computation, and so on.Â
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