New manuscripts, conference presentations, and other research updates, listed from the most recent.
I gave a contributed talk at the 2026 Combinatorics Workshop at Konjiam Resort in Gwangju-si, Korea.
Earlier posts
I gave an invited talk at the Combinatorics Seminar at Hanyang University in Seoul.
I served as moderator for “AI and Collective Intelligence: Between Mediation, Emergence, and Agency,” the KIAS 30th Anniversary Symposium held at KIAS in Seoul.
A new manuscript on connectivity-keeping paths in digraphs is now available on arXiv, in joint work with Boram Park and Homoon Ryu.
I gave an invited talk on cycles modulo 3 and 4 at the One-Day Workshop on Graph Theory at Seoul National University.
A new manuscript presenting a sharp extension of Halin’s removable-edge theorem to matchings is now available on arXiv.
A new manuscript on minimum-degree conditions for removable matchings in k-connected graphs is available, jointly with Ringi Kim and Boram Park.
I presented work on connectivity-keeping trees in triangle-free graphs at the SIAM Conference on Discrete Mathematics (DM26) in San Diego.
A new manuscript on 2-connected graphs without cycles of length 1 modulo 3 is available, jointly with Yandong Bai, Binlong Li, Boram Park, and Homoon Ryu.
A new manuscript on the existence of cycles of length divisible by 3 or 4 is available, jointly with Ilkyoo Choi, Ringi Kim, and Boram Park.
