A game theoretic approach to a problem in polymatroid maximization
A game theoretic approach to a problem in polymatroid maximization
复制标题
解决多类阵最大化问题的博弈论方法
DOI:
10.1016/j.ejor.2022.06.018
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发表时间:
2023
影响因子:
6.4
通讯作者:
Lidbetter, Thomas
中科院分区:
文献类型:
--
作者:
Hellerstein, Lisa;Lidbetter, Thomas
We consider the problem of maximizing the minimum (weighted) value of all components of a vector over a polymatroid. This is a special case of the lexicographically optimal base problem introduced and solved by Fujishige. We give an alternative formulation of the problem as a zero-sum game between a maximizing player whose mixed strategy set is the base of the polymatroid and a minimizing player whose mixed strategy set is a simplex. We show that this game and three variations of it unify several problems in search, sequential testing and queuing. We give a new, short derivation of optimal strategies for both players and an expression for the value of the game. Furthermore, we give a characterization of the set of optimal strategies for the minimizing player and we consider special cases for which optimal strategies can be found particularly easily.
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