Posted on June 1, 2023June 1, 2023 by DIMAGSuyun Jiang (江素云) gave a talk on the maximum number of edges in a connected graph without a fixed tree at the Discrete Math Seminar On May 30, 2023, Suyun Jiang (江素云) from Jianghan University gave a talk on the maximum number of edges in a connected graph without a fixed tree at the Discrete Math Seminar. She is currently a visiting scholar at the IBS Extremal Combinatorics and Probability Group. The title of her talk was “How connectivity affects the extremal number of trees.”