Hojin Chu (추호진)

Upcoming Talks

[Contributed] International Workshop on Discrete Mathematics and Algorithms 2026 (DMA2026)
- Mar 16~18, 2026 | Kunibiki Messe, Matsue, Japan
- Title: "On 2-connected graphs avoiding cycles of length 0 modulo 4"

International Presentations

[Minisymposium] The 26th Conference of the International Linear Algebra Society (deck)
- June 23~27, 2025 | National Sun Yat-sen University, Kaohsiung, Taiwan
- Title: "Structural properties of symmetric Toeplitz and Hankel matrices"
[Contributed] CanaDAM 2025 (deck)
- May 20~23, 2025 | the University of Ottawa, Ottawa, Canada
- Title: "Directed analogues of Friendship graphs"

Photo from my talk at ILAS 2025

Group Photo from ILAS 2025

Group Photo from CanaDAM 2025

Domestic Presentations

[Invited] 35th KIAS Combinatorics Workshop (deck)
- Dec 18-20, 2025 | Haeundae, Busan, Korea
- Title: "Connectivity keeping subgraph deletion problem"
[Invited] KPPY 100 (Young Seminar) (deck)
- Sep 19~21, 2025 | the Kolon Hotel, Gyeongju, Korea
- Title: "On 2-connected graphs avoiding cycles of length 0 modulo 4"
[Invited] 2025 Korean Student Combinatorics Workshop
- Aug 20~24, 2025 | The-K Hotel, Gyeongju, Korea
- Title: "Things I worry about as a Postdoc"
(If you're interested in the slides or would like more details, feel free to email me!)
[Invited] SUNY Korea Combinatorics Seminar
- July 15, 2025 | SUNY Korea, Incheon, Korea
- Title: "Directed analogues of Friendship graphs"
[Contributed] 2024 Fall KMS(Korean Mathematical Society) Conference (deck)
- October 24~26, 2024 | Sungkyunkwan University, Suwon, Korea
- Title: "Digraphs in which every t vertices share exactly λ out-neighbors and exactly λ in-neighbors"
[Contributed] 2023 Fall KMS(Korean Mathematical Society) Conference (deck)
- October 26~28, 2023 | Seoul National University, Seoul, Korea
- Title: "Competition graphs of degree bounded digraphs"
[Invited] AORC(Applied Algebra and Optimization Research Center) Monthly Seminar
- May 26, 2023 | Sungkyunkwan University, Suwon, Korea
- Title: "A digraph version of the Friendship Theorem"

Public Talks

[Public Lecture] AI·Math Academy (AI·수학 과학 아카데미) (IG, Poster) * organized by KIAS & Dongdaemun-gu Office
- Feb 5, 2026 | KIAS, Seoul, Korea
- Title: "Discovering hidden connections in the World through Graphs (그래프로 배우는 세상 속 숨은 연결 찾기)"
[Outreach Program] Visit KIAS from UNIST Mathematics&Physics Club "Elite of Elites" (IG & Youtube)
- Sep 26, 2025 | KIAS, Seoul, Korea
- Title: "Careers in Mathematics: What it means to do Mathematical Research"
[Outreach Program] Visit KIAS from Mokpo Deogin High School (IG & Youtube)
- Sep 5, 2025 | KIAS, Seoul, Korea
- Title: "A Mathematician's Career Path and Research"