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We study two p‐center models on a network with probabilistic demand weights. In the first, which is called the maximum probability p‐center problem, the objective is to maximize the probability that the maximum demand‐weighted distance between the demand and the open facilities does not exceed a given threshold value. In the second, referred to as the β‐VaR p‐center problem, the objective is to minimize...
In this paper we consider a retail service facility with cross-trained workers who can switch between the front room and the back room depending on the size of the queue in the front room. Two problems are presented. In the first problem, given a fixed number of cross-trained workers the objective is to find optimal switching points so that the expected customer waiting time is minimized subject to...
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