Approximately n-secting an angle. - Seok Woo Kim; Seong-Hun Paeng; Hee Je Cho (Inf. Process. Lett., 2007)

A note on partition sum polynomials. - Seong-Hun Paeng; Hee Je Cho (Eur. J. Comb., 2008)

Ollivier's Ricci curvature and the coloring of graphs. - Hee Je Cho; Seong-Hun Paeng (Eur. J. Comb., 2013)

Classification of α-Ricci flat graphs with girth at least five. - Hee Je Cho; Seong-Hun Paeng (Discret. Math., 2018)