The heavy-traffic bottleneck phenomenon under splitting and superposition. - Sunkyo Kim (Eur. J. Oper. Res., 2004)

Taking Account of Correlations Between Streams in Queueing Network Approximations. - Sunkyo Kim; Ravi Muralidharan; Colm Art O'Cinneide (Queueing Syst. Theory Appl., 2005)

Modeling Cross Correlation in Three-Moment Four-Parameter Decomposition Approximation of Queueing Networks. - Sunkyo Kim (Oper. Res., 2011)

The two-moment three-parameter decomposition approximation of queueing networks with exponential residual renewal processes. - Sunkyo Kim (Queueing Syst. Theory Appl., 2011)

The superposition of Markovian arrival processes: moments and the minimal Laplace transform. - Sunkyo Kim (Ann. Oper. Res., 2024)