[PDF] Top 20 Approximation of max independent set, min vertex cover and related problems by moderately exponential algorithms
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Approximation of max independent set, min vertex cover and related problems by moderately exponential algorithms
... develop moderately exponential approximation algorithms for another paradigmatic problem in combinatorial optimization, the min vertex cover ...obtained by a basic ... Voir le document complet
26
Efficient algorithms for the Max k-Vertex Cover problem
... solve max λk-vertex cover (the former due to [8] and the latter due to Theorem 3), while the last running time corresponds to the complexity of the approach proposed in Proposition ... Voir le document complet
14
Approximating MAX SAT by Moderately Exponential and Parameterized Algorithms
... several problems can be expressed in terms of versions of sat [3] ...Satisfiability problems have in particular drawn major attention in the field of polynomial time approximation ... Voir le document complet
11
Approximating MAX SAT by moderately exponential algorithms
... Satisfiability problems have in particular drawn a major attention in the field of polynomial time approximation as well as in the field of parameterized and exact solution by ... Voir le document complet
16
Efficient Approximation of Combinatorial Problems by Moderately Exponential Algorithms
... lookup of all the candidate values for α(G), and using an exact algorithm for min vertex cover rather than for max independent ...time and any a priori fixed ... Voir le document complet
26
Approximation of MIN COLORING by moderately exponential algorithms
... devise approximation algorithms for min coloring achieving approxi- mation ratios “forbidden” in polynomial time, for both the standard and the differential approx- imation ...time and ... Voir le document complet
11
Approximation Algorithms for Multicommodity-Type Problems with Guarantees Independent of the Graph Size
... poly(log k). 4. A PPLICATIONS TO O BLIVIOUS R OUTING Suppose we are given a capacitated, undirected graph G and a subset K ⊂ V of size k. Suppose also that we are promised all the demands we will be asked ... Voir le document complet
11
Direct-Search for a Class of Stochastic Min-Max Problems
... number of algorithms that are part of this broad family including golden-section search techniques or random search (Rastrigin, ...popular algorithms in machine learning are evolution ... Voir le document complet
12
Complexity of the min-max (regret) versions of cut problems
... explicitly by the list of all vectors s ∈ ...number of scenarios is constant from those where the number of scenarios is non ...lower and upper bound, independently of the values ... Voir le document complet
11
Contributions on secretary problems, independent sets of rectangles and related problems
... [101] and Dynkin [48] have independently shown that the best strategy consists in observing roughly n/e of the candidates and then selecting the first one that is better than all the observed ... Voir le document complet
198
The ridge method for tame min-max problems
... definition of the function g, the fractal nature of the construction makes the argmin mapping, P : R p ⇒ R r , although almost everywhere a singleton, highly non ...even of bounded variation in the ... Voir le document complet
29
The Max Quasi-Independent Set Problem
... remainder of the paper is organized as ...variants of max quasi-independent set and proves its NP- hardness in bipartite ...optimization problems. Finally, in Section 5 ... Voir le document complet
21
The max quasi-independent set problem
... one vertex in each connected component, so we have T(G δ ) = 2 n/(d+1) T(G δ−1 ) and finally T(G d ) = 2 dn/(d+1) On the other hand, α(G d ) = n/(d + 1) (one vertex per ...graphs of average ... Voir le document complet
16
Approximating min-max (regret) versions of some polynomial problems
... Keywords: min-max, min-max regret, approximation, fptas, shortest path, min- imum spanning ...definition of an instance of a combinatorial optimization problem ... Voir le document complet
10
Solving vertex coloring problems as maximum weight stable set problems
... problems as ...state-of-the-art algorithms for the Bin Packing Prob- lem with Conflicts. Most of the best performing algorithms for Graph Coloring problems are based on ... Voir le document complet
18
A relation between the approximated versions of minimum set covering, minimum vertex covering and maximum independent set
... instances of SC the degrees of the C-vertices are equal to ...instance of VC as an instance of SC, by considering G or equivalently B G as the characteristic graph of this ... Voir le document complet
12
Exponential approximation schemata for some network design problems
... reached by the algorithm in [16] (see ...one of exact computation. We handle min steiner tree and some versions of traveling salesman problem ...part of the instance verifying ... Voir le document complet
12
Constructive-non-constructive approximation and maximum independent set problem
... maximum-weight independent set of G (k) not containing v x ...j of G (k) , both of its endpoints cannot simultaneously belong to every independent set (a fortiori ... Voir le document complet
20
Efficient Independent Set Approximation in Unit Disk Graphs *
... time and O(n 2 ) space. 5 Polynomial-Time Approximation Scheme We design a polynomial time approximation scheme (PTAS) for the maximum indepen- dent set problem on a given UDG, where the ... Voir le document complet
13
Algorithms and approximation schemes for machine scheduling problems
... In this chapter, we consider the problem of sum of weighted completion times with rejection for which the objective function is the sum of weighted completion tim[r] ... Voir le document complet
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