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The time-cost trade-off problem is a type of the project scheduling problem which studies how to modify project activities so as to achieve the trade-off between the project cost and the completion time. In real projects, the trade-off between project cost and project completion time, and the uncertainty of the environment are both considerable aspects for decision-makers. In this paper, an expected...
Trading behaviors in a game between buyers and sellers in E-Commerce market are not only a stochastic process, but also reflect the equilibrium of the existence and consistency. Based on newsvendor model, the structure of information asymmetry commodity trading market is designed and constructed. According to transferring value of information attributes, two definitions of equilibrium in two stages...
In this paper we propose an approximate solution to the inventory stochastic continuous review (Q, r) problem with two storage facilities, an owned warehouse (OW) and a rented warehouse (RW). We show that the reorder point obtained from the (Q, r) model with two warehouses is smaller than the one generated from the unconstrained classical continuous review model and larger than the one derived from...
We consider a call center staffing problem with two types of customers of which the arrival rates are allowed to be a random and non-stationary. In order to efficiently cope with such random workload fluctuations, the workforce presents some flexibility: the agents can be, in real-time, affected to each type of customers according to the instantaneously observed workload and the associated/relative...
Many spatio-temporal patterns are observed in various fields of engineering and the analysis of such patterns has been one of challenging problems in pattern formation problems. So far, many excellent works have been done in the analysis of the spatio-temporal pattern formations, however, most of such works are the deterministic analysis. Since physical, chemical and social phenomena contain some...
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