IBS Extremal Combinatorics and Probability Group (ECOPRO) is a research group in the Center for Mathematical and Computational Sciences in the Institute for Basic Science (IBS), led by the Chief Investigator Prof. Hong Liu.

ECOPRO aims at establishing a vibrant research hub in Extremal and Probabilistic Combinatorics to attract young talents and initiate new collaborations across related fields.

  • YouTube for seminar/conference videos.
  • bilibili for online course and reading group videos.


Summer school 2024

Summer school 2024

This year’s summer school again consists of two parts. All information, including lecture notes, recordings will be available on the…



Workshops and Conferences

There are no upcoming events.

Seminars and Colloquiums

July 2024

Tuesday July 30

4:30 pm – 5:30 pm
Euiwoong Lee (이의웅), Parameterized Approximability of F-Deletion Problems
Room B332, IBS (기초과학연구원)

August 2024

Tuesday August 6

4:30 pm – 5:30 pm
Daniel Král', Matroid depth and width parameters
Room B332, IBS (기초과학연구원)

Tuesday August 13

4:30 pm – 5:30 pm
Peter Nelson, TBA
Room B332, IBS (기초과학연구원)

Tuesday August 27

4:30 pm – 5:30 pm
Dillon Mayhew, Towards Rota's conjecture for gain-graphic matroids
Room B332, IBS (기초과학연구원)

September 2024

Tuesday September 3

4:30 pm – 5:30 pm
Amadeus Reinald, Oriented trees in $O(k sqrt{k})$-chromatic digraphs, a subquadratic bound for Burr's conjecture
Room B332, IBS (기초과학연구원)

Friday September 6

4:30 pm – 5:30 pm
Neal Bushaw, Edge-colored Extremal Problems
Room B332, IBS (기초과학연구원)

November 2024

Tuesday November 5

4:30 pm – 5:30 pm
Michał Pilipczuk, TBA
Room B332, IBS (기초과학연구원)


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IBS Extremal Combinatorics and Probability Group
기초과학연구원 수리및계산과학연구단 극단 조합 및 확률 그룹
대전 유성구 엑스포로 55 (우) 34126
IBS Extremal Combinatorics and Probability Group (ECOPRO)
Institute for Basic Science (IBS)
55 Expo-ro Yuseong-gu Daejeon 34126 South Korea
E-mail:, Fax: +82-42-878-9209
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