I am organizing Virtual Discrete Math Colloquium at IBS. The details can be found in the IBS website. The time is in KST.

zoom id : 934 3222 0374 (ibsdimag)

- Feb 17th – David Wood (Monash University)
- Feb 10th (4:30pm) – Jie Ma (University of Science and Technology of China)
- Feb 3th (4:30pm) – Ron Aharoni (Technion)
- Jan 27th (10:00am) – Dong Yeap Kang (University of Birmingham)
- Jan 20th (4:30pm) – Yusuke Kobayashi (Kyoto University) – An FPT Algorithm for Minimum Additive Spanner Problem
- 2021, Jan 13th (10:00am) – Rose McCarty (University of Waterloo)
- Dec 30th (10:00am) – Paul Seymour (Princeton University) – The Erdős-Hajnal conjecture is true for excluding a five-cycle
- Dec 17th (10:00am) – Jaiung Jun (SUNY New Paltz) – On the Hopf algebra of multi-complexes
- Dec 9th (5:00 pm) – Karl Heuer (Technische Universität Berlin) – Even Circuits in Oriented Matroids
- Dec 3th (5:00pm) – Deniz Sarikaya (Universität Hamburg) – What means Hamiltonicity for infinite graphs and how to force it via forbidden induced subgraphs
- Nov 26th (10:00am) – Da Qi Chen (Carnegie Mellon University) – Bipartite saturation
- Nov 19th (4:30pm) – Yijia Chen (Fudan University) – Graphs of bounded shrub-depth, through a logic lens
- Nov 11th (4:30pm) – Meike Hatzel (TU Berlin) – Constant congestion bramble
- Nov 5th (10:00 am) – Daniel Cranston (Virginia Commonwealth University) – Vertex Partitions into an Independent Set and a Forest with Each Component Small
- Oct 22th (10:00 am) – Chun-hung Liu (Texas A&M University) – Asymptotic dimension of minor-closed families and beyond
- Sep 24th (10:00 am) – Zihan Tan (University of Chicago) – Towards tight(er) bounds for the excluded grid theorem
- Sep 17th (10:00 am) – Luke Postle (University of Waterloo) – Further progress towards Hadwiger’s conjecture
- Sep 10th (5:10 pm) – Sebastian Siebertz (University of Bremen) – Rank-width meets stability
- Aug 26th (10:30 am) – Nick Brettell (Victoria University of Wellington) – On the graph width parameter mim-width
- Aug 19th (4:30 pm) – Gwenaël Joret (Université Libre de Bruxelles) – Packing and covering balls in graphs excluding a minor
- Aug 5th (4:30 pm) – Robert Ganian (TU Wien) – Solving integer linear programs by exploiting variable-constraint interactions
- July 29th (4:30 pm) – Akanksha Agrawal (Ben-Gurion University of the Negev) – Polynomial kernel for Interval Vertex Deletion
- 2020, July 22th (4:30 pm) – Paloma Lima (University of Bergen) – Graph square roots of small distance from degree one graphs