On July 29, 2025, Colin Geniet from the IBS Discrete Mathematics Group gave a talk on the merge-width of graphs and 𝜒-boundedness of graphs of bounded merge-width at the Discrete Math Seminar. The title of his talk was “merge-width“.
Linda Cook gave a talk on the local certification protocol for monadic second-order property on graphs of bounded tree-width at the Discrete Math Seminar
On July 22, 2025, Linda Cook from the University of Amsterdam gave a talk at the Discrete Math Seminar on the local certification protocol for monadic second-order property on graphs of bounded tree-width. The title of her talk was “A tight algorithmic meta-theorem for distributed certification within bounded treewidth graphs“.
2025 Summer School on Combinatorics and Algorithms was held on July 14-18, 2025 with lectures by Édouard Bonnet and Michał Pilipczuk
More than 70 people attended the 2025 Summer School on Combinatorics and Algorithms from July 14 to July 18, 2025, held at POSTECH. Édouard Bonnet from CNRS and Michał Pilipczuk from University of Warsaw gave lectures. This school was organized by Eun Jung Kim (KAIST / IBS / CNRS), Eunjin Oh (POSTECH), and Sang-il Oum (IBS Discrete Mathematics Group).



Welcome Hyungu Kim (김현구), a new graduate student of the IBS Discrete Mathematics Group
The IBS Discrete Mathematics Group welcomes Hyungu Kim (김현구), a new graduate student of the Discrete Mathematics Group from July 1, 2025. He received his B.S. degree from KAIST and entered the Department of Mathematical Sciences at KAIST as a graduate student on March 2025. His advisor is Andreas Holmsen.
Mihyun Kang (강미현) gave a talk on the random subgraph of a hypercube and beyond at the Discrete Math Seminar
On July 8, 2025, Mihyun Kang (강미현) from the TU Graz gave a talk at the Discrete Math Seminar on the random subgraph of a hypercube and the Cartesian product of regular graphs. The title of her talk was “Phase transitions in a random subgraph of the hypercube“.
Sergey Norin gave a talk on the asympotic dimension of intersection graphs at the Discrete Math Seminar
On July 1, 2025, Sergey Norin from McGill University gave a talk at the Discrete Math Seminar on the asymptotic dimension of intersection graphs. The title of his talk was “Asymptotic dimension of intersection graphs“.
Roohani Sharma has been appointed as the Young Scientist Fellow (YSF) of IBS
As of July 1, 2025, Roohani Sharma has been appointed as the IBS Young Scientist Fellow at the Discrete Mathematics Group. The title of her project is “Resolving Inconsistencies: Directed Cycles and beyond”. Congratulations!
Welcome Seunghun Lee, a new member of the IBS Discrete Mathematics Group
The IBS Discrete Mathematics Group welcomes Dr. Seunghun Lee, a new research fellow at the IBS Discrete Mathematics Group starting July 1, 2025. He received his Ph.D. from KAIST in August 2020. He was a Robert Riley visiting assistant professor at Binghamton University in the USA from August 2020 to July 2022, a postdoctoral research fellow at Hebrew University of Jerusalem from August 2022 to January 2024, and a BK21 Research Assistant Professor at KAIST from 2024. Welcome!