Tag: workshop

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2026 Combinatorics Workshop was held at Gonjiam Resort on October 20-22, 2026

The 2026 Combinatorics Workshop (2026 조합론 학술대회) was held from October 20, 2026 to October 22, 2026 at Gonjiam Resort, Gwangju. Combinatorics Workshop (조합론 학술대회) is an annual conference for researchers in combinatorics and related areas in Korea, started in 2004. There were 1 plenary talk, 5 invited talks, and 14 contributed talks.

Plenary talk

Alexandr V. Kostochka (University of Illinois at Urbana-Champaign)

Invited talks

Cheolwon Heo (SUNY Korea)
Tony Huynh (IBS DIMAG)
Dabeen Lee (Seoul National University)
Jakub Przybyło (AGH University of Krakow)
Jongbaek Song (Pusan National University)

Contributed talks

Organizers

  • Ilkyoo Choi (Hankuk University of Foreign Studies, IBS Discrete Mathematics Group, KIAS)
  • Sang-il Oum (IBS Discrete Mathematics Group)
  • Boram Park (Seoul National University)
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The 2026 DIMAG Internal Workshop was held in Namwon on September 9-13, 2026

The IBS Discrete Mathematics Group held the “2026 DIMAG Internal Workshop” at the Kensington Resort in Namwon on September 9-13, 2026. Participants included all but one of DIMAG’s current members, as well as Sebastian Wiederrecht (KAIST), Minki Kim (GIST), Seonghyuk Im (KIAS), and Hojin Chu (KIAS). Every participant presented open problems, and there were active discussions throughout, leading to several progress reports.

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2026 Korean Student Combinatorics Workshop was held in Gongju from July 27 to July 31

The 2026 Korean Student Combinatorics Workshop (KSCW 2026, 2026 조합론 학생 워크샵) was held at Gongju Hanok Village from July 27 to July 31, 2026.

Supported by the IBS Discrete Mathematics Group, the workshop brings together Korean graduate and undergraduate students and postdoctoral researchers studying combinatorics. Its aim is to promote interaction among young researchers, share research interests, and establish a foundation for future collaborative research.

The program included invited talks, contributed talks, and sessions for sharing and discussing open problems.

This workshop continues the Korean Student Combinatorics Workshop series from 2024.

The workshop was organized by the following four students:

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2026 Workshop on Topological Combinatorics Successfully Held at GIST

The 2026 Workshop on Topological Combinatorics was successfully held at Gwangju Institute of Science and Technology (GIST) from June 28 to July 11, 2026. The workshop was organized by Andreas Holmsen (KAIST & IBS DIMAG), Jinha Kim (Chonnam National University & IBS DIMAG), and Minki Kim (GIST), with support from GIST, IBS Discrete Mathematics Group (DIMAG), and the National Research Foundation of Korea (NRF). 

This workshop is the fifth in the international series on topological combinatorics initiated by Ron Aharoni. It brought together researchers working in topological combinatorics, discrete geometry, algebraic topology, geometric transversal theory, topological methods in combinatorics, and related areas. The first week consisted of invited lectures and research presentations, while the second week was devoted to collaborative research and open problem discussions. 

More than 60 researchers from Korea and overseas participated during the two-week program. Participants represented a wide range of institutions, including IBS DIMAG, KAIST, GIST, Chonnam National University, Ajou University, DGIST, KIAS, Princeton University, Carnegie Mellon University, University of Waterloo, Charles University, Université Paris Cité, École nationale des ponts et chaussées, Arizona State University, Iowa State University, Binghamton University, UNAM, MPI-CBG Dresden, Singapore University of Technology and Design, and several other universities and research institutes.

The scientific program featured invited lectures by leading researchers together with short research presentations covering recent developments in topological combinatorics and its interactions with geometry, topology, algebra, and combinatorics. The collaboration week provided participants with ample opportunities to initiate new research projects and strengthen existing international collaborations.

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The 2024 DIMAG Internal Workshop was held in Jeonju on November 19-23, 2024

The IBS Discrete Mathematics Group had the “2024 DIMAG Internal Workshop” at the Lahan Hotel of Jeonju on November 19-23, 2024. Participants include almost all current members of DIMAG, Sebastian Wiederrecht and Eunjung Kim from KAIST, Minki Kim from GIST, Cheolwon Heo and Jungho Ahn from KIAS, Eun-Kyung Cho from Hanyang University, Niloufar Fuladi from INRIA, and Noleen Köhler from the University of Leeds. Every participant presented open problems and had active discussions.

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IBS-DIMAG Workshop on Topology and Combinatorics was held at IBS with 7 invited speakers

On November 11, 2024, the IBS-DIMAG Workshop on Topology and Combinatorics was held at IBS, which had 7 invited speakers. Semin Yoo was the organizer.

Invited Speakers

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2024 Korean Student Combinatorics Workshop was held in Gongju from July 29 to August 2, 2024

2024 Korean Student Combinatorics Workshop (KSCW2024: 2024 조합론 학생 워크샵)

The 2024 Korean Student Combinatorics Workshop (KSCW2024, 2024 조합론 학생 워크샵) was held in Gongju from July 29 to August 2, 2024. Sponsored by the IBS Discrete Mathematics Group, this event aims to provide a platform for Korean graduate students working on combinatorics and related areas to establish a foundation for collaborative research. It was organized by four students of KAIST/IBS: Donggyu Kim (김동규), Seokbeom Kim (김석범), Seonghyuk Im (임성혁), and Hyunwoo Lee (이현우). The workshop featured two invited talks by Semin Yoo (유세민) and Jungho Ahn (안정호), as well as open problem sessions followed by ample time for joint work.

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IBS-DIMAG Workshop on Combinatorics and Geometric Measure Theory was held at IBS

group photo

The IBS-DIMAG Workshop on Combinatorics and Geometric Measure Theory was held at IBS from July 14 to July 19, 2024. There were 23 talks, including plenary talks by János Pach (Rényi Institute of Mathematics) and Pertti Mattila (University of Helsinki) and invited talks by Izabella Łaba (University of British Columbia), Hong Wang (NYU), and Cosmin Pohoata (Emory University).

Organizers

  • Doowon Koh (Chungbuk National University)
  • Ben Lund (IBS Discrete Mathematics Group)
  • Sang-il Oum (IBS Discrete Mathematics Group / KAIST Department of Mathematical Sciences)

Speakers

János Pach (Plenary Speaker)
Bochen Liu
Giorgis Petridis
Manik Dhar
Jonathan Pakianathan
Izabella Łaba (Invited Speaker)
Mihalis Kolountzakis
Alexander Clifton
Eyvindur Palsson
Steven Senger
Pertti Mattila (Plenary Speaker)
Wei-Hsuan Yu
Hai Long Dao
Hong Wang (Invited Speaker)
Alan Chang
Terry Harris
Charlotte Aten
Semin Yoo
Cosmin Pohoata (Invited Speaker)
Andreas Holmsen
Jinha Kim
Olivine Silier
Matthew Kroeker
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“The 3rd East Asia Workshop on Extremal and Structural Graph Theory” was held in Okinawa

From November 1 to November 5, 2023, the 3rd East Asia Workshop on Extremal and Structural Graph Theory was held in Okinawa, Japan. It is a workshop to bring active researchers in the field of extremal and structural graph theory, especially in East Asia such as China, Japan, and Korea. Participants have a great chance to discuss recent progress in graph theory, interesting open problems, and finding new potential collaborators. The previous workshops were held in Shanghai (2018) and Jeju (2019). The IBS Discrete Mathematics Group was the main sponsor of the workshop.

Invited Speakers

Organizers

  • Seog-Jin Kim, Konkuk University, Korea.
  • Sang-il Oum, IBS Discrete Mathematics Group, Korea and KAIST, Korea.
  • Kenta Ozeki, Yokohama National University, Japan.
  • Hehui Wu, Shanghai Center for Mathematical Sciences, China.
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The 2023 Vertex-Minor Workshop was held from October 15 to 20 at Jeju

The 2023 Vertex-Minor Workshop was held from October 15, 2023 to October 20, 2023 at SONO Belle Jeju in Korea. This workshop aimed to foster collaborative discussions and explore the various aspects of vertex-minors, including structural theory and their applications. There were 17 participants from Korea, Italy, UK, Australia, Japan, and China and participants had great time to discuss open problems related to the vertex-minors of graphs.

Talks

  • October 16: Sang-il Oum, Survey of vertex-minors
  • October 17: O-joung Kwon, The grid theorem for vertex-minors
  • October 17: James Davies, Vertex-minors and preparing graph states
  • October 17: Paul Wollan, Flat-wall theorem for vertex-minors

Participants

Organizers

IBS 이산수학그룹 Discrete Mathematics Group
기초과학연구원 수리및계산과학연구단 이산수학그룹
대전 유성구 엑스포로 55 (우) 34126
IBS Discrete Mathematics Group (DIMAG)
Institute for Basic Science (IBS)
55 Expo-ro Yuseong-gu Daejeon 34126 South Korea
E-mail: dimag@ibs.re.kr, Fax: +82-42-878-9209
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