Category: workshop

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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

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The 2023 Mini-Workshop on Discrete Geometry was held on August 9 with three talks by Michael Dobbins, Andreas Holmsen, and Minki Kim

On August 9, 2023, the 2023 Mini-Workshop on Discrete Geometry was held at the IBS. This workshop consisted of three talks by Michael Dobbins from SUNY Binghamton, Andreas Holmsen from KAIST, and Minki Kim from GIST. Here is the list of talks.

  • Michael Dobbins (SUNY Binghamton): Colorful intersections, Tverberg partitions, and geometric transversals
  • Andreas Holmsen (KAIST): The topology of the complex of ordered partitions
  • Minki Kim김민기 (GIST): Some variants of the colorful Helly theorems
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The MATRIX-IBS Workshop “Structural Graph Theory Downunder III” was held from April 17 to April 23

The MATRIX-IBS Workshop “Structural Graph Theory Downunder III” was held from April 17, 2023 to April 23, 2023 at Creswick, Victoria, Australia. This program is supported by MATRIX and the Discrete Mathematics Group (DIMAG) of the Institute for Basic Science (IBS, Korea). MATRIX is a residential research institute for the mathematical sciences in Australia.

Participants

  • Rutger Campbell (IBS Discrete Mathematics Group, Korea)
  • Linda Cook (IBS Discrete Mathematics Group, Korea)
  • James Davies (University of Cambridge, UK)
  • Marc Distel (Monash University, Australia)
  • Zdeněk Dvořák (Charles University, Czech Republic)
  • Bryce Frederickson (Emory University, USA)
  • António Girão (University of Oxford, UK)
  • Pascal Gollin (IBS Discrete Mathematics Group, Korea)
  • Kevin Hendrey (IBS Discrete Mathematics Group, Korea)
  • Robert Hickingbotham (Monash University, Australia)
  • Freddie Illingworth (University of Oxford, UK)
  • O-joung Kwon (Hanyang University and IBS Discrete Mathematics Group, Korea)
  • Florian Lehner (University of Auckland, New Zealand)
  • Anita Liebenau (UNSW, Australia)
  • Chun-Hung Liu (Texas A&M, USA)
  • Rose McCarty (Princeton University, USA)
  • Lukas Michel (University of Oxford, UK)
  • Sang-il Oum (IBS Discrete Mathematics Group and KAIST, Korea)
  • Michael Savery (University of Oxford, UK)
  • Alex Scott (University of Oxford, UK)
  • Raphael Steiner (ETH Zurich, Switzerland)
  • Jane Tan (University of Oxford, UK)
  • Sebastian Wiederrecht (IBS Discrete Mathematics Group, Korea)
  • David Wood (Monash University, Australia)
  • Liana Yepremyan (Emory University, USA)

Organizers

  • David Wood (Monash University, Australia)
  • Sang-il Oum (IBS Discrete Mathematics Group and KAIST, Korea)
  • Alex Scott (University of Oxford, UK)
  • Liana Yepremyan (Emory University, USA)
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“2022 Combinatorics Workshop” (2022 조합론 학술대회) was held from September 30 to October 1, 2022 at GIST, Gwangju

The 2022 Combinatorics Workshop (2022 조합론 학술대회) was held from September 30, 2022 to October 1, 2022 at GIST, Gwangju. There were 4 invited talks and 9 contributed talks.

Invited talks

Contributed talks

  • Zixiang Xu, IBS ECOPRO
  • Mark Siggers, KNU
  • Alexander Clifton, IBS DIMAG
  • Stijn Cambie, IBS ECOPRO
  • Jun Gao, IBS ECOPRO
  • Minho Cho (조민호), KAIST
  • Nika Salia, IBS ECOPRO
  • Jaeseong Oh, KIAS
  • Jungho Ahn, KAIST / IBS DIMAG

Organizing Committee

Host and Sponsors

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The MATRIX-IBS Workshop “Structural Graph Theory Downunder II” was held from March 20 to March 27

The MATRIX-IBS Workshop “Structural Graph Theory Downunder II” was held from March 20 to March 27 at Creswick, Victoria, Australia. This program is supported by MATRIX and the Discrete Mathematics Group (DIMAG) of the Institute for Basic Science (IBS, Korea). MATRIX is a residential research institute for the mathematical sciences in Australia.

Participants

  • Rutger Campbell (IBS Discrete Mathematics Group, Korea)
  • Katie Clinch (University of Melbourne, Australia)
  • Marc Distel (Monash University, Australia)
  • Jackson Goerner (Monash University, Australia)
  • Pascal Gollin (IBS Discrete Mathematics Group, Korea)
  • Daniel Harvey (Ballarat, Australia)
  • Kevin Hendrey (IBS Discrete Mathematics Group, Korea)
  • Robert Hickingbotham (Monash University, Australia)
  • Tony Huynh (Monash University, Australia)
  • Thomas Lesgourges (UNSW Sydney, Australia)
  • Freddie Illingworth (University of Oxford, UK)
  • Bojan Mohar (Simon Fraser University, Canada)
  • Michael Payne (La Trobe University, Australia)
  • Youri Tamitegama (University of Oxford, UK)
  • Jane Tan (University of Oxford, UK)
  • David Wood (Monash University, Australia)

Organizers

  • David Wood (Monash University, Australia)
  • Tony Huynh (Monash University, Australia)
  • Sang-il Oum (KAIST and Institute for Basic Science, Korea)
  • Alex Scott (University of Oxford, UK)
  • Liana Yepremyan (Emory University, USA)

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“2021 Combinatorics Workshop” was held from December 20 to December 22, 2021 at Yangpyeong

The 2021 Combinatorics Workshop (2021 조합론 학술대회) was held from December 20, 2021 to December 22, 2021 at the Bloomvista, Yangpyeong. There were 5 invited talks and 12 contributed talks.

Invited Speakers

Speakers of the contributed talks

  • Jungho Ahn, KAIST / IBS DIMAG
  • Jin-Hwan Cho, NIMS
  • Linda Cook, IBS DIMAG
  • Cheolwon Heo, Sungkyunkwan University
  • Seonghyuk Im, KAIST
  • Hyobin Kim, Kyungpook National University
  • Minki Kim, IBS DIMAG
  • Hyemin Kwon, Ajou University
  • Hyunwoo Lee, KAIST
  • Sang June Lee, Kyung Hee University
  • Jaehyeon Seo, KAIST
  • Semin Yoo, KIAS

Organizing Committee

Participants (50 people, all of whom are fully vaccinated against COVID-19)

  • Jungho Ahn, speaker, KAIST / IBS DIMAG
  • Sejeong Bang, session chair, Yeungnam University
  • Rutger Campbell, IBS DIMAG
  • Debsoumya Chakraborti, IBS DIMAG
  • Eun-Kyung Cho, Hankuk University of Foreign Studies
  • Hyunsoo Cho, Ewha Womans University
  • Jin-Hwan Cho, speaker, NIMS
  • Jeong-Ok Choi, organizer/session chair, GIST
  • Linda Cook, speaker, IBS DIMAG
  • Taehyun Eom, KAIST
  • Cheolwon Heo, speaker, Sungkyunkwan University
  • Seonghyuk Im, speaker, KAIST
  • Jihyeug Jang, Sungkyunkwan University
  • Dosang Joe, NIMS
  • Donggyu Kim, KAIST / IBS DIMAG
  • Donghyun Kim, Sungkyunkwan University
  • Dongsu Kim, invited speaker, KAIST
  • Hyobin Kim, speaker, Kyungpook National University
  • Jaehoon Kim, KAIST
  • Jang Soo Kim, Sungkyunkwan University
  • Jinha Kim, IBS DIMAG
  • Minki Kim, speaker, IBS DIMAG
  • Seog-Jin Kim, session chair, Konkuk University
  • Doowon Koh, Chungbuk National University
  • Hyemin Kwon, speaker, Ajou University
  • O-joung Kwon, Incheon National University / IBS DIMAG
  • Dabeen Lee, IBS DIMAG
  • Duksang Lee, KAIST / IBS DIMAG
  • Hyunwoo Lee, speaker, KAIST
  • Joonkyung Lee, invited speaker, Hanyang University
  • Sang June Lee, speaker, Kyung Hee University
  • Seung Jin Lee, Seoul National University
  • Hong Liu, invited speaker, University of Warwick, UK
  • Ben Lund, IBS DIMAG
  • Suil O, invited speaker, SUNY Korea
  • Jaeseong Oh, KIAS
  • Sang-il Oum, organizer/session chair, IBS DIMAG / KAIST
  • Jae Hyun Park, Kyung Hee University
  • Seonjeong Park, invited speaker, Jeonju University
  • Jaehyeon Seo, speaker, KAIST
  • Seunghyun Seo, session chair, Kangwon National University
  • Heesung Shin, organizer/session chair, Inha University
  • Mark Siggers, Kyungpook National University
  • Jaebum Sohn, Yonsei University
  • Minho Song, Sungkyunkwan University
  • U-keun Song, Sungkyunkwan University
  • Jeong Hyun Sung, Seoul National University
  • Tuan Tran, IBS DIMAG
  • Sounggun Wee, KAIST / IBS DIMAG
  • Semin Yoo, speaker, KIAS

Host and Sponsors

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DIMAG had the online workshop “Young Researchers in Extremal and Probabilistic Combinatorics” on October 20-22, 2021.

On October 20-22, 2021, DIMAG had an online workshop “Young Researchers in Extremal and Probabilistic Combinatorics” organized by Tuan Tran and Casey Tompkins. There were 7 invited talks a day for three days.

Invited Speakers & Program

Oct. 20 Wednesday 4 PM (KST) – 8 PM (KST)

  • Andrzej Grzesik (Jagiellonian University): Degenerated generalized Turán numbers of cycles, 4:00-4:25
  • Jan Volec (Czech Technical University): Existence of common graphs with large chromatic number, 4:30-4:55
  • Balázs Patkós (Rényi Institute): Vector sum-intersection theorems, 5:00-5:25
  • István Tomon (ETH Zurich): Small doubling, atomic structure and ℓ-divisible set families, 5:30-5:55
  • Michael Anastos (Freie Universität Berlin): Longest Cycles in Sparse Random Graphs and Where to Find Them, 6:30-6:55
  • Adam Zsolt Wagner (Tel Aviv University): Constructions in combinatorics via neural networks, 7:00-7:25
  • Yelena Yuditsky (Université libre de Bruxelles): On multicolor Ramsey numbers and subset-coloring of hypergraphs, 7:30-7:55

Oct. 21 Thursday 4 PM (KST) – 8 PM (KST)

  • Kevin Hendrey (IBS Discrete Mathematics Group): Extremal functions for sparse minors, 4:00-4:25
  • Simona Boyadzhiyska (Freie Universität Berlin): Ramsey simplicity of random graphs, 4:30-4:55
  • Shagnik Das (National Taiwan University): Schur’s Theorem in randomly perturbed sets, 5:00-5:25
  • Tony Huynh (Monash University): Subgraph densities in minor-closed classes (and beyond), 5:30-5:55
  • Ander Lamaison (Masaryk University): Hypergraphs with minimum uniform Turán density, 6:30-6:55
  • Ben Lund (IBS Discrete Mathematics Group): Maximal 3-wise intersecting families, 7:00-7:25
  • Liana Yepremyan (London School of Economics): Enumerating independent sets in Abelian Cayley graphs, 7:30-7:55

Oct. 22 Friday 4 PM (KST) – 8 PM (KST)

  • Andrey Kupavskii (CNRS): Binary scalar products, 4:00-4:25
  • Dániel Gerbner (Rényi Institute): Exact results for generalized Turán problems, 4:30-4:55
  • Oliver Janzer (University of Cambridge): Tiling with monochromatic bipartite graphs of bounded maximum degree, 5:00-5:25
  • Nika Salia (Rényi Institute): Pósa-type results for Berge Hypergraphs, 5:30-5:55
  • Debsoumya Chakraborti (IBS Discrete Mathematics Group): Mixing time and expanders, 6:30-6:55
  • Wei-Tian Li (National Chung Hsing University): Ramsey Properties for V-shaped Posets in the Boolean Lattices, 7:00-7:25
  • Dimitry Zakharov (Moscow Institute of Physics and Technology): Zero subsums in vector spaces over finite fields, 7:30-7:55
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