The Worst-case Analysis of the MULTIFIT Algorithm for Scheduling Nonsimultaneous Parallel Machines. - Soo Y. Chang; Hark-Chin Hwang (Discret. Appl. Math., 1999)

A posterior Competitiveness for List Scheduling Algorithm on Machines with Eligibility Constraints. - Hark-Chin Hwang; Soo Y. Chang; Yushin Hong (Asia Pac. J. Oper. Res., 2004)

Parallel machine scheduling under a grade of service provision. - Hark-Chin Hwang; Soo Y. Chang; Kangbok Lee (Comput. Oper. Res., 2004)

A two-dimensional vector packing model for the efficient use of coil cassettes. - Soo Y. Chang; Hark-Chin Hwang; Sanghyuck Park (Comput. Oper. Res., 2005)

The effect of machine availability on the worst-case performance of LPT. - Hark-Chin Hwang; Kangbok Lee; Soo Y. Chang (Discret. Appl. Math., 2005)

Order Consolidation for Batch Processing. - Hark-Chin Hwang; Soo Y. Chang (J. Comb. Optim., 2005)

Dynamic lot-sizing model with demand time windows and speculative cost structure. - Hark-Chin Hwang; Wikrom Jaruphongsa (Oper. Res. Lett., 2006)

A 4/3-Approximation Algorithm for Cassette Packing in Steel Industry. - Hark-Chin Hwang (Asia Pac. J. Oper. Res., 2007)

An Efficient Procedure for Dynamic Lot-sizing Model with Demand Time Windows. - Hark-Chin Hwang (J. Glob. Optim., 2007)

Dynamic lot-sizing model for major and minor demands. - Hark-Chin Hwang; Wikrom Jaruphongsa (Eur. J. Oper. Res., 2008)

Inventory Replenishment and Inbound Shipment Scheduling Under a Minimum Replenishment Policy. - Hark-Chin Hwang (Transp. Sci., 2009)

Economic Lot-Sizing for Integrated Production and Transportation. - Hark-Chin Hwang (Oper. Res., 2010)

Note on "An efficient approach for solving the lot-sizing problem with time-varying storage capacities". - Wilco van den Heuvel; José Miguel Gutiérrez; Hark-Chin Hwang (Eur. J. Oper. Res., 2011)

Basis Paths and a Polynomial Algorithm for the Multistage Production-Capacitated Lot-Sizing Problem. - Hark-Chin Hwang; Hyun-Soo Ahn; Philip M. Kaminsky (Oper. Res., 2013)

Exact performance of MULTIFIT for nonsimultaneous machines. - Hark-Chin Hwang; Kyungkuk Lim (Discret. Appl. Math., 2014)

Algorithms for the two-stage production-capacitated lot-sizing problem. - Hark-Chin Hwang; Hyun-Soo Ahn; Philip M. Kaminsky (J. Glob. Optim., 2016)

Subcontracting and lot-sizing with constant capacities. - Hark-Chin Hwang (Math. Program., 2022)

Multilevel Lot-Sizing with Inventory Bounds. - Hark-Chin Hwang; Wilco van den Heuvel; Albert P. M. Wagelmans (INFORMS J. Comput., 2023)