102 citations · 143 across the 5 of their papers we have counts for
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math.PR2015★ 4 cited
Diffusion approximation for efficiency-driven queues: A space-time scaling approach
Shuangchi He
Motivated by call center practice, we propose a tractable model for $\mbox{GI}/\mbox{GI}/n+\mbox{GI}$ queues in the efficiency-driven (ED) regime. We use a one-dimensional diffusio…
math.OC2015★ 29 cited
Optimal Ordering Policy for Inventory Systems with Quantity-Dependent Setup Costs
Shuangchi He, Dacheng Yao, Hanqin Zhang
We consider a continuous-review inventory system in which the setup cost of each order is a general function of the order quantity and the demand process is modeled as a Brownian m…