Titlebook: Algorithmsand Complexity; 12th International C Tiziana Calamoneri,Federico Corò Conference proceedings 2021 Springer Nature Switzerland AG

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https://doi.org/10.1007/978-3-642-50874-5 graph. Consider the following natural variant of the problem. Let . be a simple undirected graph of order .. Let . be a vector of vertex ., and let . be a vector of . at the vertices. Then . . . on . if the constraints . are satisfied for all ., where .(.) denotes the neighborhood of .. Given a req

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,Das Kapital in der Wirtschaft Robinson’s, that no two adjacent vertices are incident to the same sum of labels. In connection with recent optimisation variants of this conjecture, we study the role of label 3 in proper 3-labellings of graphs. Previous studies suggest that, in general, it should always be possible to produce proper 3-labell

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https://doi.org/10.1007/978-3-322-98746-4resented the first polynomial time algorithm for this problem, which has become a critical subroutine in many algorithms for detecting induced subgraphs, such as beetles, pyramids, thetas, and even and odd-holes. In 2007, Derhy and Picouleau [Discrete Applied Mathematics, 2009] considered the natura

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https://doi.org/10.1007/978-3-322-98746-4set . of bins where any . is a subset of elements of .. Each bin . has its own cost, and each element its own weight. An outcome is a vector . where each budget ., for ., can be used to buy a subset of bins . of overall cost at most .. The objective is to maximize the total weight which is defined a

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