On matroids with multiple objectives

On matroids with multiple objectives
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在具有多个目标的拟阵上

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发表时间:
1996
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通讯作者:
E. Ehrgott
E. Ehrgott
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文献类型:
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作者:
E. Ehrgott

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在本文中,我们研究了具有多个目标函数的矩形的两个优化问题,即找到帕累托集和最大订购问题,这些问题是在找到基础中的圆锥形问题,使得最大的目标值是最小的。我们证明,这两个问题的决策版本都是NP库存的。提出了最高排序问题的解决方案过程,并给出了两个问题的解决方案集的结果。主要结果是通过基础交换属性对帕累托基群的表征,最后是适当的帕累托解决方案的连接结果。
In this paper we investigate two optimization problems for matroids with multiple objective functions, namely finding the pareto set and the max-ordering problem which conists in finding a basis such that the largest objective value is minimal. We prove that the decision versions of both problems are NP-complete. A solution procedure for the max-ordering problem is presented and a result on the relation of the solution sets of the two problems is given. The main results are a characterization of pareto bases by a basis exchange property and finally a connectivity result for proper pareto solutions.