Approximation order to a function in Image(Image) by superposition of a sigmoidal function. - Bum Il Hong; Nahmwoo Hahm (Appl. Math. Lett., 2002)

Complete position synchronization in the power grid system. - Sun-Ho Choi; Intae Ryoo; Bum Il Hong (Appl. Math. Lett., 2018)

SIR Rumor spreading model with trust rate distribution. - Bum Il Hong; Nahmwoo Hahm; Sun-Ho Choi (Networks Heterog. Media, 2018)

On a Posteriori Error Bounds of Trapezoidal Rule. - Bum Il Hong; Intae Ryoo; Gon Khang (ICOIN, 2019)

An Effective Algorithm to Find a Cost Minimizing Gateway Deployment for Node-Replaceable Wireless Sensor Networks. - Sun-Ho Choi; Yoonkyung Jang; Hyowon Seo; Bum Il Hong; Intae Ryoo (Sensors, 2021)