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Titlebook: Algorithms and Discrete Applied Mathematics; Third International Daya Gaur,N.S. Narayanaswamy Conference proceedings 2017 Springer Interna

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https://doi.org/10.1007/978-3-0348-7175-4icular, when a problem is already known to be polynomially solvable for some class of inputs, then it is natural to parameterize by the distance of a general instance to a tractable class. In the context of graph algorithms, parameters like vertex cover, twin cover, treewidth and treedepth modulator
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Der Quotienten-Differenzen-Algorithmusrphism . of an (., .)-colored mixed graph . to an (., .)-colored mixed graph . is a vertex mapping such that if . is an arc (edge) of color . in ., then .(.).(.) is an arc (edge) of color . in .. The .. . of an (., .)-colored mixed graph . is the order (number of vertices) of a smallest homomorphic
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Der Radio-Amateur (Radio-Telephonie)r a semi-complete multigraph, that is a multigraph with at least one edge between each pair of vertices, to have a .-decomposition. We show that this condition can be tested in strongly polynomial-time, and that the same condition applies to a larger class of multigraphs. We give a similar condition
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https://doi.org/10.1007/978-3-662-37020-9of . if there exists an . such that . for every .. In this paper we study .-distance magic labeling of the graph . for .. We obtain .-distance magic labelings of . with respect to certain classes of abelian groups. We also obtain necessary conditions for existence of such labelings.
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