Intersecting disks using two congruent disks. - Byeonguk Kang; Jongmin Choi; Hee-Kap Ahn (Comput. Geom., 2023)

Incremental Algorithm and Local Search for Minimum Non-Obtuse Triangulations (CG Challenge). - Taehoon Ahn 001; Jaegun Lee; Byeonguk Kang; Hwi Kim (SoCG, 2025)

Guarding Terrains with Guards on a Line. - Byeonguk Kang; Hwi Kim; Hee-Kap Ahn (IWOCA, 2025)

Guarding points on a terrain by watchtowers. - Byeonguk Kang; Junhyeok Choi; Jeesun Han; Hee-Kap Ahn (Comput. Geom., 2026)