Posted on February 26, 2022February 26, 2022 by DIMAGDonggyu Kim (김동규) gave a talk on an analog of the theorem of Oxley and Wu on matroids for vertex-minors of graphs at the Discrete Math Seminar On February 21, 2022, Donggyu Kim (김동규) from KAIST / IBS Discrete Mathematics Group gave a talk at the Discrete Math Seminar on an analog of the theorem of Oxley and Wu on matroids for vertex-minors of graphs. The title of his talk was “A stronger version of Tutte’s wheel theorem for vertex-minors“.