Research outputs per year
Research outputs per year
Research output
- 22 Article
- 22 results
Search results
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2025
Refining asymptotic complexity bounds for nonconvex optimization methods, including why steepest descent is o(ɛ-2) rather than O(ɛ-2)
Gratton, S., Sim, C. K. & Toint, P. L., 18 Jun 2025, (Accepted for publication) In: Computational Optimization and Applications. 11 p.Research output: Contribution to journal › Article › peer-review
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Superlinear convergence of an interior point algorithm on linear semi-definite feasibility problems
Sim, C. K., 4 Mar 2025, In: Optimization Methods and Software. 40, p. 287-307 21 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile8 Downloads (Pure) -
2023
Convergence rates for the relaxed Peaceman-Rachford splitting method on a monotone inclusion problem
Sim, C. K., 1 Jan 2023, In: Journal of Optimization Theory and Applications. 196, p. 298–323Research output: Contribution to journal › Article › peer-review
Open AccessFile36 Downloads (Pure) -
2021
A FISTA-type accelerated gradient algorithm for solving smooth nonconvex composite optimization problems
Liang, J., Monteiro, R. & Sim, C. K., 13 May 2021, In: Computational Optimization and Applications. 79, p. 649-679 31 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile98 Downloads (Pure) -
2020
Policies for inventory models with product returns forecast from past demands and past sales
Chou, M. C., Sim, C. K. & Yuan, X.-M., 1 May 2020, In: Annals of Operations Research. 288, p. 137–180Research output: Contribution to journal › Article › peer-review
Open AccessFile129 Downloads (Pure) -
2019
Interior point method on semi-definite linear complementarity problems using the Nesterov-Todd (NT) search direction: polynomial complexity and local convergence
Sim, C. K., 1 Nov 2019, In: Computational Optimization and Applications. 74, 2, p. 583-621 39 p., 0.Research output: Contribution to journal › Article › peer-review
Open AccessFile187 Downloads (Pure) -
2018
Complexity of the relaxed Peaceman-Rachford splitting method for the sum of two maximal strongly monotone operators
Monteiro, R. & Sim, C. K., 1 Jul 2018, In: Computational Optimization and Applications. 70, 3, p. 763-790 28 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile133 Downloads (Pure) -
Profit sharing agreements in decentralized supply chains: a distributionally robust approach
Fu, Q., Sim, C. K. & Teo, C.-P., 5 Feb 2018, In: Operations Research. 66, 2, p. 500-513 14 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile959 Downloads (Pure) -
2017
Infinite horizon optimal policy for an inventory system with two types of product sharing common hardware platforms
Chou, M. C., Sim, C. K. & Yuan, X.-M., 2 Jan 2017, In: Operations Research Letters. 45, 1, p. 12-18 7 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile264 Downloads (Pure) -
2015
A subgradient method based on gradient sampling for solving convex optimization problems
Hu, Y., Sim, C.-K. & Yang, X., 31 Dec 2015, In: Numerical Functional Analysis and Optimization. 36, 12, p. 1559-1584 26 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile329 Downloads (Pure) -
Inexact subgradient methods for quasi-convex optimization problems
Hu, Y., Yang, X. & Sim, C.-K., 16 Jan 2015, In: European Journal of Operational Research. 240, 2, p. 315-327 13 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile358 Downloads (Pure) -
On finding a generalized lowest rank solution to a linear semi-definite feasibility problem
Sim, C. K., 1 May 2015, In: Operations Research Letters. 43, 3, p. 334-338 5 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile241 Downloads (Pure) -
2013
Optimal policies for inventory systems with two types of product sharing common hardware platforms: single period and finite horizon
Chou, M. C., Sim, C.-K. & Yuan, X.-M., 16 Jan 2013, In: European Journal of Operational Research. 224, 2, p. 283-292Research output: Contribution to journal › Article › peer-review
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The impact of supply chain visibility when lead time is random
Chew, E. K. P., Lee, L. H. & Sim, C.-K., Jan 2013, In: OR Spectrum. 35, 1, p. 163-190Research output: Contribution to journal › Article › peer-review
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2012
Newsvendor pricing problem in a two-sided market
Chou, M. C., Sim, C.-K., Teo, C.-P. & Zheng, H., 2012, In: Production and Operations Management. 21, 1, p. 204-208Research output: Contribution to journal › Article › peer-review
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2011
Asymptotic behavior of underlying NT paths in interior point methods for monotone semidefinite linear complementarity problems
Sim, C.-K., Jan 2011, In: Journal of Optimization Theory and Applications. 148, 1, p. 79-106Research output: Contribution to journal › Article › peer-review
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Superlinear convergence of an infeasible predictor-corrector path-following interior point algorithm for a semidefinite linear complementarity problem using the Helmberg-Kojima-Monteiro direction
Sim, C.-K., 2011, In: SIAM Journal on Optimization. 21, 1, p. 102-126Research output: Contribution to journal › Article › peer-review
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2009
On the analyticity of underlying HKM Paths for monotone semidefinite linear complementarity problems
Sim, C. K., Apr 2009, In: Journal of Optimization Theory and Applications. 141, 1, p. 193-215Research output: Contribution to journal › Article › peer-review
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2008
Asymptotic behavior of Helmberg-Kojima-Monteiro (HKM) paths in interior-point methods for monotone semidefinite linear complementarity problems: general theory
Sim, C. K. & Zhao, G., Apr 2008, In: Journal of Optimization Theory and Applications. 137, 1, p. 11-25Research output: Contribution to journal › Article › peer-review
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2007
Underlying paths in interior point methods for the monotone semidefinite linear complementarity problem
Sim, C.-K. & Zhao, G., Sept 2007, In: Mathematical Programming. 110, 3, p. 475-499Research output: Contribution to journal › Article › peer-review
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2006
A note on the Lipschitz continuity of the gradient of the squared norm of the matrix-valued Fischer-Burmeister function
Sim, C. K., Sun, J. & Ralph, D., Jul 2006, In: Mathematical Programming. 107, 3, p. 547-553Research output: Contribution to journal › Article › peer-review
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2005
A note on treating a second order cone program as a special case of a semidefinite program
Sim, C. K. & Zhao, G., Apr 2005, In: Mathematical Programming. 102, 3, p. 609-613Research output: Contribution to journal › Article › peer-review