Zhang Hanqin

Hanqin Zhang

Information about the author Hanqin Zhang will soon be added to the site.
Found 22 papers in total
Optimal and asymptotically optimal policies for assemble-to-order n- and W-systems
Optimal and asymptotically optimal policies for assemble-to-order n- and W-systems
2015
We consider two specially structured assemble‐to‐order (ATO)...
Diffusion approximations for open Jackson networks with reneging
Diffusion approximations for open Jackson networks with reneging
2013
We consider generalized Jackson networks with reneging in which the customer patience...
Algorithms for Coxianization of Phase‐Type Generators
Algorithms for Coxianization of Phase‐Type Generators
2011
This paper develops algorithms for finding Coxian generators to phase‐type...
The effect of lead time and demand uncertainties in (r, q) inventory systems
The effect of lead time and demand uncertainties in (r, q) inventory systems
2010
We study a single-item (r, q) inventory system, where r is the reorder point and q is...
Supply chain coordination with CVaR criterion
Supply chain coordination with CVaR criterion
2009
We study the coordination of supply chains with a risk-neutral supplier and a...
An Algorithm for Computing Minimal % Coxian Representations
An Algorithm for Computing Minimal % Coxian Representations
2008
This paper presents an algorithm for computing minimal ordered Coxian representations...
Quantity flexibility contracts: optimal decisions with information updates
Quantity flexibility contracts: optimal decisions with information updates
2005
We study single and multiperiod quantity flexibility contracts involving one demand...
Modeling and analysis of a supply–assembly–store chain
Modeling and analysis of a supply–assembly–store chain
2007
We consider a supply–assembly–store chain with produce-to-stock strategy,...
A supply chain with a service requirement for each market signal
A supply chain with a service requirement for each market signal
2007
We study a single-period two-stage service-constrained supply chain with an...
Are base-stock policies optimal in inventory problems with multiple delivery modes?
Are base-stock policies optimal in inventory problems with multiple delivery modes?
2006
We present a periodic review inventory model with multiple delivery modes. While...
Performance analysis on a complex remanufacturing system
Performance analysis on a complex remanufacturing system
2005
This paper focuses on the performance analysis on a complex remanufacturing system...
A simple proof of diffusion approximations for last-buffer–first-serve re-entrant lines
A simple proof of diffusion approximations for last-buffer–first-serve re-entrant lines
2006
For a re-entrant line operating under the last-buffer–first-serve service...
Analysis of a duopoly supply chain and its application in electricity spot markets
Analysis of a duopoly supply chain and its application in electricity spot markets
2005
This paper studies a supply chain consisting of two suppliers and one retailer in a...
Diffusion approximations for some multiclass queueing networks with first-in-first-out service disciplines
Diffusion approximations for some multiclass queueing networks with first-in-first-out service disciplines
2000
The diffusion approximation is proved for a class of multiclass queueing networks...
Inventory models with fixed costs, forecast updates, and two delivery modes
Inventory models with fixed costs, forecast updates, and two delivery modes
2003
This paper is concerned with a periodic review inventory system with fast and slow...
Average cost optimality for an unreliable two-machine flowshop with limited internal buffer
Average cost optimality for an unreliable two-machine flowshop with limited internal buffer
2000
We consider a production planning problem in a two-machine flowshop subject to...
A sufficient condition and a necessary condition for the diffusion approximations of multiclass queueing networks under priority service disciplines
A sufficient condition and a necessary condition for the diffusion approximations of multiclass queueing networks under priority service disciplines
2000
We establish a sufficient condition for the existence of the (conventional) diffusion...
Stability of multiclass queueing networks under priority service disciplines
Stability of multiclass queueing networks under priority service disciplines
2000
In this paper, we establish a sufficient condition for the stability of a multiclass...
Optimal production rates in a deterministic two-product manufacturing system
Optimal production rates in a deterministic two-product manufacturing system
2000
This paper is concerned with explicit optimal control for a deterministic...
Average-cost optimal policies for an unreliable flexible multiproduct machine
Average-cost optimal policies for an unreliable flexible multiproduct machine
1999
This paper is concerned with optimal production planning on a single failure-prone...
Strong approximations of irreducible closed queueing networks
Strong approximations of irreducible closed queueing networks
1997
A sequence of irreducible closed queueing networks is considered in this paper. We...
Heavy traffic limit theorems for a sequence of shortest queueing system
Heavy traffic limit theorems for a sequence of shortest queueing system
1995
A sequence of shortest queueing systems is considered in this paper. The authors give...
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