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Dr Chee Khian Sim

Senior Lecturer

  1. 2019
  2. 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 journalArticle

  3. 2018
  4. Published

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

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

    Research output: Contribution to journalArticle

  5. Early online

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

    Fu, Q., Dr Chee Khian Sim & Teo, C-P., 5 Feb 2018, In : Operations Research. 66, 2, p. 500-513 14 p.

    Research output: Contribution to journalArticle

  6. 2017
  7. Published

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

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

    Research output: Contribution to journalArticle

  8. 2015
  9. Published

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

    Hu, Y., Dr Chee Khian Sim & Yang, X., 1 Dec 2015, In : Numerical Functional Analysis and Optimization. 36, 12, p. 1559-1584 35 p.

    Research output: Contribution to journalArticle

  10. Published

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

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

    Research output: Contribution to journalArticle

  11. Published

    Inexact subgradient methods for quasi-convex optimization problems

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

    Research output: Contribution to journalArticle

  12. 2013
  13. Published

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

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

    Research output: Contribution to journalArticle

  14. Published

    The impact of supply chain visibility when lead time is random

    Chew, E. K. P., Lee, L. H. & Dr Chee Khian Sim, Jan 2013, In : OR Spectrum. 35, 1, p. 163-190

    Research output: Contribution to journalArticle

  15. 2012
  16. Published

    Newsvendor pricing problem in a two-sided market

    Chou, M. C., Dr Chee Khian Sim, Teo, C-P. & Zheng, H., 2012, In : Production and Operations Management. 21, 1, p. 204-208

    Research output: Contribution to journalArticle

  17. 2011
  18. 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 journalArticle

  19. Published
  20. 2009
  21. 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 journalArticle

  22. 2008
  23. 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 & Zhao, G., Apr 2008, In : Journal of Optimization Theory and Applications. 137, 1, p. 11-25

    Research output: Contribution to journalArticle

  24. 2007
  25. Published

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

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

    Research output: Contribution to journalArticle

  26. 2006
  27. 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, Sun, J. & Ralph, D., Jul 2006, In : Mathematical Programming. 107, 3, p. 547-553

    Research output: Contribution to journalArticle

  28. 2005
  29. Published

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

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

    Research output: Contribution to journalArticle

ID: 2001315