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Dr Chee Khian Sim

Senior Lecturer

  1. 2020
  2. Early online

    Policies for inventory models with product returns forecast from past demands and past sales

    Mabel C. Chou, Dr Chee Khian Sim & Xue-Ming Yuan, 24 Feb 2020, In : Annals of Operations Research.

    Research output: Contribution to journalArticlepeer-review

  3. 2019
  4. Published

    Interior point method on semi-definite linear complementarity problems using the Nesterov-Todd (NT) search direction: polynomial complexity and local convergence

    Dr Chee Khian Sim, 1 Nov 2019, In : Computational Optimization and Applications. 74, 2, p. 583-621 39 p.

    Research output: Contribution to journalArticlepeer-review

  5. 2018
  6. Published

    Complexity of the relaxed Peaceman-Rachford splitting method for the sum of two maximal strongly monotone operators

    Renato Monteiro & Dr Chee Khian Sim, 1 Jul 2018, In : Computational Optimization and Applications. 70, 3, p. 763-790 28 p.

    Research output: Contribution to journalArticlepeer-review

  7. Early online

    Profit sharing agreements in decentralized supply chains: a distributionally robust approach

    Qi Fu, Dr Chee Khian Sim & Chung-Piaw Teo, 5 Feb 2018, In : Operations Research. 66, 2, p. 500-513 14 p.

    Research output: Contribution to journalArticlepeer-review

  8. 2017
  9. Published

    Infinite horizon optimal policy for an inventory system with two types of products sharing common hardware platforms

    Mabel C. Chou, Dr Chee Khian Sim & Xue-Ming Yuan, 2 Jan 2017, In : Operations Research Letters. 45, 1, p. 12-18 7 p.

    Research output: Contribution to journalArticlepeer-review

  10. 2015
  11. Published

    A subgradient method based on gradient sampling for solving convex optimization problems

    Yaohua Hu, Dr Chee Khian Sim & Xiaoqi Yang, 31 Dec 2015, In : Numerical Functional Analysis and Optimization. 36, 12, p. 1559-1584 26 p.

    Research output: Contribution to journalArticlepeer-review

  12. Published

    On finding a generalized lowest rank solution to a linear semi-definite feasibility problem

    Dr Chee Khian Sim, 1 May 2015, In : Operations Research Letters. 43, 3, p. 334-338 5 p.

    Research output: Contribution to journalArticlepeer-review

  13. Published

    Inexact subgradient methods for quasi-convex optimization problems

    Yaohua Hu, Xiaoqi Yang & Dr Chee Khian Sim, 16 Jan 2015, In : European Journal of Operational Research. 240, 2, p. 315-327 13 p.

    Research output: Contribution to journalArticlepeer-review

  14. 2013
  15. Published

    Optimal policies for inventory systems with two types of product sharing common hardware platforms: single period and finite horizon

    Mabel C. Chou, Dr Chee Khian Sim & Xue-Ming Yuan, 16 Jan 2013, In : European Journal of Operational Research. 224, 2, p. 283-292

    Research output: Contribution to journalArticlepeer-review

  16. Published

    The impact of supply chain visibility when lead time is random

    E. k. Peng Chew, Loo Hay Lee & Dr Chee Khian Sim, Jan 2013, In : OR Spectrum. 35, 1, p. 163-190

    Research output: Contribution to journalArticlepeer-review

  17. 2012
  18. Published

    Newsvendor pricing problem in a two-sided market

    Mabel C. Chou, Dr Chee Khian Sim, Chung-Piaw Teo & Huan Zheng, 2012, In : Production and Operations Management. 21, 1, p. 204-208

    Research output: Contribution to journalArticlepeer-review

  19. 2011
  20. Published

    Asymptotic behavior of underlying NT paths in interior point methods for monotone semidefinite linear complementarity problems

    Dr Chee Khian Sim, Jan 2011, In : Journal of Optimization Theory and Applications. 148, 1, p. 79-106

    Research output: Contribution to journalArticlepeer-review

  21. Published
  22. 2009
  23. Published

    On the analyticity of underlying HKM Paths for monotone semidefinite linear complementarity problems

    Dr Chee Khian Sim, Apr 2009, In : Journal of Optimization Theory and Applications. 141, 1, p. 193-215

    Research output: Contribution to journalArticlepeer-review

  24. 2008
  25. Published

    Asymptotic behavior of Helmberg-Kojima-Monteiro (HKM) paths in interior-point methods for monotone semidefinite linear complementarity problems: general theory

    Dr Chee Khian Sim & G. Zhao, Apr 2008, In : Journal of Optimization Theory and Applications. 137, 1, p. 11-25

    Research output: Contribution to journalArticlepeer-review

  26. 2007
  27. Published

    Underlying paths in interior point methods for the monotone semidefinite linear complementarity problem

    Dr Chee Khian Sim & Gongyun Zhao, Sep 2007, In : Mathematical Programming. 110, 3, p. 475-499

    Research output: Contribution to journalArticlepeer-review

  28. 2006
  29. Published

    A note on the Lipschitz continuity of the gradient of the squared norm of the matrix-valued Fischer-Burmeister function

    Dr Chee Khian Sim, Jie Sun & Daniel Ralph, Jul 2006, In : Mathematical Programming. 107, 3, p. 547-553

    Research output: Contribution to journalArticlepeer-review

  30. 2005
  31. Published

    A note on treating a second order cone program as a special case of a semidefinite program

    Dr Chee Khian Sim & Gongyun Zhao, Apr 2005, In : Mathematical Programming. 102, 3, p. 609-613

    Research output: Contribution to journalArticlepeer-review

ID: 2001315