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Domination analysis for minimum multiprocessor scheduling

机译:最小多处理器调度的控制分析

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Let P be a combinatorial optimization problem, and let A be an approximation algorithm for P. The domination ratio domr(A, s) is the maximal real q such that the solution x(I) obtained by A for any instance I of P of size s is not worse than at least the fraction q of the feasible solutions of I. We say that P admits an asymptotic domination ratio one (ADRO) algorithm if there is a polynomial time approximation algorithm A for P such that lim(s ->infinity) domr(A, s) = 1. Alon, Gutin and Krivelevich [Algorithms with large domination ratio, J. Algorithms 50 (2004) 118-131] proved that the partition problem admits an ADRO algorithm. We extend their result to the minimum multiprocessor scheduling problem. (c) 2006 Elsevier B.V. All rights reserved.
机译:令P为组合优化问题,令A为P的近似算法。支配比domr(A,s)为最大实数q,使得A对P的任意实例I求出的解x(I)大小s至少不小于I的可行解的分数q。我们说,如果对于P有多项式时间近似算法A使得lim(s->无穷)domr(A,s)=1。Alon,Gutin和Krivelevich [具有较大支配率的算法,J。算法50(2004)118-131]证明分区问题允许使用ADRO算法。我们将其结果扩展到最小的多处理器调度问题。 (c)2006 Elsevier B.V.保留所有权利。

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