The 2-Dimensional Riemann Problem for a 2 × 2 Hyperbolic Conservation Law I. Isotropic Media. - Woonjae Hwang; W. Brent Lindquist (SIAM J. Math. Anal., 2002)

The 2-Dimensional Riemann Problem for a 2 × 2 Hyperbolic Conservation Law II. Anisotropic Media. - Woonjae Hwang; W. Brent Lindquist (SIAM J. Math. Anal., 2002)

The exponent of Cartesian product of cycles. - Byeong Moon Kim; Byung Chul Song; Woonjae Hwang (Appl. Math. Lett., 2009)

Corrigendum to "The exponent of Cartesian product of cycles" [Appl. Math. Lett 22 (2009) 561-564]. - Byeong Moon Kim; Byung Chul Song; Woonjae Hwang (Appl. Math. Lett., 2010)

The maximum radius of graphs with given order and minimum degree. - Byeong Moon Kim; Yoomi Rho; Byung Chul Song; Woonjae Hwang (Discret. Math., 2012)

Distance three labellings for K n ×K 2. - Byeong Moon Kim; Byung Chul Song; Woonjae Hwang (Int. J. Comput. Math., 2013)

Radio number for the product of a path and a complete graph. - Byeong Moon Kim; Woonjae Hwang; Byung Chul Song (J. Comb. Optim., 2015)

Two dimensional Riemann problem for a 2 × 2 system of hyperbolic conservation laws involving three constant states. - Jinah Hwang; Myoungin Shin; Suyeon Shin; Woonjae Hwang (Appl. Math. Comput., 2018)

The Lower and Upper Bounds of Turán Number for Odd Wheels. - Byeong Moon Kim; Byung Chul Song; Woonjae Hwang (Graphs Comb., 2021)

Two-color Rado number of x + y + c = kz for odd c and k with k ≥ c + 6. - Byeong Moon Kim; Woonjae Hwang; Byung Chul Song (Discret. Math., 2022)

Two-color Rado number of x + y + c = kz for large c. - Byeong Moon Kim; Byung Chul Song; Woonjae Hwang (Discret. Math., 2023)