# Browse by Divisions pre August 2011

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**6**.

Ching, W.K., Chan, R.H. and Zhou, X.Y.
(1998)
Conjugate gradient methods for Markov modulated Poisson processes
In *Proceedings of the Second Asian Mathematical Conference. *
World Scientific., pp. 406-417.

Ching, Wai Ki
(1998)
An inventory model for manufacturing systems with delivery time guarantees
*Computers and Operations Research*, 25, (5), pp. 367-377. (doi:10.1016/S0305-0548(97)00077-4).

Ching, Wai Ki
(1998)
Iterative methods for manufacturing systems of two stations in tandem
*Applied Mathematics Letters*, 11, (1), pp. 7-12. (doi:10.1016/S0893-9659(97)00124-9).

Ching, Wai Ki
(1998)
Production scheduling. A production model with delivery time guarantee for manufacturing systems with early setup
*Computers & Industrial Engineering*, 35, (1-2), pp. 121-124. (doi:10.1016/S0360-8352(98)00035-7).

Gautier, A., Granot, F. and Zheng, H.
(1998)
Qualitative sensitivity analysis in monotropic programming
*Mathematics of Operations Research*, 23, (3), pp. 695-707.

Vinter, R.B. and Zheng, H.
(1998)
Necessary conditions for optimal control problems with state constraints
*Transactions of the American Mathematical Society*, 350, (3), pp. 1181-1204.