Ilkyoo Choi (최일규) gave a talk on the average degree of list-color-critical graphs and DP-color-critical graphs at the Discrete Math Seminar

On October 14, 2025, Ilkyoo Choi (최일규) from Hankuk University of Foreign Studies and IBS Discrete Mathematics Group gave a talk at the Discrete Math Seminar on the average degree of list-color-critical graphs and DP-color-critical graphs. The title of his talk was “An improved lower bound on the number of edges in list critical graphs via DP coloring“.