Titlebook: Approximation, Randomization and Combinatorial Optimization. Algorithms and Techniques; 7th International Wo Klaus Jansen,Sanjeev Khanna,Da

Clinton

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Conflict

Centralized Deterministic Broadcasting in Undirected Multi-hop Radio Networkstime ., for every .-node graph of diameter .. It has been proved recently [15,16] that a better order of magnitude of broadcasting time is impossible unless .. In terms of approximation ratio, we have a .-approximation algorithm for the radio broadcast problem, whenever .=Ω (log .).

Intact

Min-Max Multiway Cutith only a constant number of terminals. Our main result is an .(log..)-approximation algorithm for general graphs, and an .(log..)-approximation for graphs excluding any fixed graph as a minor (e.g., planar graphs). We also give a (2+.)-approximation algorithm for the special case of graphs with bounded treewidth.

发芽

Ergodic Theory and Dynamical Systems II that approximate the social welfare. We show that each mechanism achieves the best approximation over all the mechanisms of its kind. We also study different models of information and a discrete model, where players bid for sets of predefined building blocks.

不成比例

急急忙忙

homeostasis

Lobotomy

On Systems of Linear Equations with Two Variables per Equation2lin. within a ratio better than 1/... We use our results so as to clarify some aspects of Khot’s .. Namely, we show that for every . > 0 it is NP-hard to approximate the value of unique games within a ratio of ..

根除

narcissism