Sang-il Oum (엄상일) gave a talk on the Erdős-Pósa property for vertex-minors at the Discrete Math Seminar

On August 29, 2025, Sang-il Oum (엄상일) from the IBS Discrete Mathematics Group gave a talk at the Discrete Math Seminar on the Erdős-Pósa property for vertex-minors and perturbations of graphs. The title of his talk was “The Erdős-Pósa property for circle graphs as vertex-minors“.