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Dr Chee Khian Sim

Senior Lecturer

  1. 2021
  2. Published

    A FISTA-type accelerated gradient algorithm for solving smooth nonconvex composite optimization problems

    Jiaming Liang, Renato Monteiro & Dr Chee Khian Sim, 13 May 2021, In: Computational Optimization and Applications. 79, p. 649-679 31 p.

    Research output: Contribution to journalArticlepeer-review

  3. 2020
  4. 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, (Early online) In: Annals of Operations Research.

    Research output: Contribution to journalArticlepeer-review

  5. 2019
  6. 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., 0.

    Research output: Contribution to journalArticlepeer-review

  7. 2018
  8. 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

  9. 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, (Early online) In: Operations Research. 66, 2, p. 500-513 14 p.

    Research output: Contribution to journalArticlepeer-review

  10. 2017
  11. 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

  12. 2015
  13. 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

  14. 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

  15. 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

  16. 2013
  17. 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

  18. 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

  19. 2012
  20. 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

  21. 2011
  22. 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

  23. Published
  24. 2009
  25. 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

  26. 2008
  27. 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

  28. 2007
  29. 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

  30. 2006
  31. 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

  32. 2005
  33. 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