Titlebook: Combinatorial Optimization; Third International Pierre Fouilhoux,Luis Eduardo Neves Gouveia,Vangel Conference proceedings 2014 Springer In

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978-3-319-09173-0Springer International Publishing Switzerland 2014

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0302-9743 ium on Combinatorial Optimization, ISCO 2014, held in Lisbon, Portugal, in March 2014. The 37 revised full papers presented together with 64 short papers were carefully reviewed and selected from 97 submissions. They present original research on all aspects of combinatorial optimization, such as alg

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https://doi.org/10.1007/978-88-470-0667-6very ., and . if . for every induced subgraph . of ., and every induced subgraph . of ...We investigate the b-chromatic number of graphs with stability number two. These are exactly the complements of triangle-free graphs, thus including all complements of bipartite graphs. The main results of this work are the following:

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Z. Cohen,R. Wassef,S. Nordgren,R. Silvermanty and approximation for which the compatibility graph is bipartite (star, chain, .). In such context, we design efficient polynomial-time approximation algorithms according to different parameters of the scheduling problem.

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Z. Cohen,R. Wassef,S. Nordgren,R. Silvermana mixed integer non linear solver and a local branching procedure is developed. Computational results, performed on literature instances, show that the proposed procedure outperforms the state-of-the-art approaches.

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Solving Graph Partitioning Problems Arising in Tagless Cache Management,nagement. A graph partitioning formulation is presented and different ILP formulations are proposed, obtained by strengthening and/or relaxing constraints and by reducing the number of integer variables. The formulations are tested on large benchmarks (with thousands of nodes and edges) arising from real applications.

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