Extra unit-speed machines are almost as powerful as speedy machines for competitive flow time scheduling. - Ho-Leung Chan; Tak Wah Lam; Kin-Shing Liu (SODA, 2006)

New resource augmentation analysis of the total stretch of SRPT and SJF in multiprocessor scheduling. - Wun-Tat Chan; Tak Wah Lam; Kin-Shing Liu; Prudence W. H. Wong (Theor. Comput. Sci., 2006)

Extra Unit-Speed Machines Are Almost as Powerful as Speedy Machines for Flow Time Scheduling. - Ho-Leung Chan; Tak Wah Lam; Kin-Shing Liu (SIAM J. Comput., 2008)