All
Stijn Cambie
Minho Cho
Laihao Ding
Zichao Dong
Irene Gil Fernández
Jun Gao
Hong Liu
Seonghyuk Im
Suyun Jiang
Dongyeap Kang
Younjin Kim
Ander Lamaison
Hyunwoo Lee
Joonkyung Lee
Ruonan Li
Nika Salia
Jaehyeon Seo
Shuaichao Wang
Zhuo Wu
Zixiang Xu
Yisai Xue
Haotian Yang
Qiang Zhou
2024
July 19, 2024: Dongyeap Kang , 2024 International Congress of Basic Science, Beijing, China.A proof of the Erdős–Faber–Lovász conjecture
July 16, 2024: Seonghyuk Im , 9th European Congress of Mathematics, Sevilla, Spain.Graph with any rational density and no rich subsets of linear size
July 11, 2024: Seonghyuk Im , Summit 280, Budapest, Hungary.Dirac’s theorem for linear hypergraphs
July 3, 2024: Seonghyuk Im , 30th British Combinatorial Conference, London, UK.Dirac’s theorem for linear hypergraphs
May 31, 2024: Dongyeap Kang , 31st KIAS Combinatorics Workshop, Jeju, South Korea.Solution to a problem of Erdős on the chromatic index of hypergraphs with bounded codegree
May 27, 2024: Dongyeap Kang , Combinatorics seminar, Hanyang Univ, Seoul, South Korea.Random graphs/hypergraphs and thresholds
May 17, 2024: Hong Liu , 2024 KSIAM Spring Meeting, Kyungpook Univ, Daegu, South Korea.Chromatic and homomorphism threshold, combinatorial convexity and beyond
May 9, 2024: Hong Liu , Discrete Analysis Seminar, Yonsei Univ, Seoul, South Korea.Graph with any rational density and no rich subsets of linear size
April 25, 2024: Zixiang Xu , Combinatorics seminar, Northwestern Polytechnical University, Xi'an, China.Theoretical bounds and stability results on set systems
April 21, 2024: Zixiang Xu , Directed graph workshop, Nankai Univ, Tianjin, China.Hitting all maximum independent sets
April 20, 2024: Hong Liu , Directed graph workshop, Nankai Univ, Tianjin, China.Graph with any rational density and no rich subsets of linear size
April 19, 2024: Suyun Jiang , 2024 KMS Spring Meeting, Daejeon, South Korea.Generalized Ramsey-Turán density for cliques
April 19, 2024: Dongyeap Kang , 2024 KMS Spring Meeting, Daejeon, South Korea.Graph and hypergraph coloring: a survey
April 19, 2024: Seonghyuk Im , 2024 KMS Spring Meeting, Daejeon, South Korea.On Rainbow Turán Densities of Trees
April 18, 2024: Zixiang Xu , Combinatorics seminar, Nankai Univ, Tianjin, China.An introduction to bipartite Turán problems
April 17, 2024: Hong Liu , Combinatorics seminar, Univ Science and Techonology Shanghai, Shanghai, China.Exponential decay of intersection volume and applications
March 1, 2024: Zixiang Xu , Combinatorics seminar, Fuzhou Univ, Fuzhou, China.On Bollobás-Erdős-Tuza conjecture
February 28, 2024: Zhuo Wu , Combinatorics seminar, Nankai Univ, Tianjin, China.Distribution of Colours in Rainbow $H$-free Colourings
January 23, 2024: Zichao Dong , IBS Discrete Math Seminar, Daejeon, South Korea.Convex polytopes in non-elongated point sets in $\mathbb{R}^d$
2023
December 25, 2023: Ruonan Li , Annual Conference of Chinese Mathematical Society, Satellite Conference on Combinatorics and Graph Theory, Dalian, China.Monochromatic triangles, properly colored spanning structure and rainbow stars
December 18, 2023: Hong Liu , Combinatorics seminar, Southern Univ Science and Technology, Shenzhen, China.Chromatic and homomorphism threshold, combinatorial convexity and beyond
November 23, 2023: Hong Liu , Combinatorics seminar, Beijing Institute of Technology, Beijing, China.Exponential decay of intersection volume and applications
November 2, 2023: Dongyeap Kang , The 3rd East Asia Workshop on Extremal and Structural Graph Theory, Okinawa, Japan.Robust Hamiltonicity of Dirac hypergraphs
November 1, 2023: Hong Liu , Combinatorics seminar, Fuzhou Univ, Fuzhou, China.Chromatic and homomorphism threshold, combinatorial convexity and beyond
October 29, 2023: Zixiang Xu , KMS Annual Meeting, Seoul, South Korea.When can a large Kr-free graph be homomorphic to a small one?
October 27, 2023: Dongyeap Kang , KMS Annual Meeting, Seoul, South Korea.Thresholds for Latin squares and Steiner triple systems: Bounds within a logarithmic factor
October 26, 2023: Zixiang Xu , Combinatorics seminar, Shandong Univ, Qingdao, China.An extremal problem on k-neighborly family of boxes
October 26, 2023: Yisai Xue , The 8th Qilu Youth Forum, Shandong Univ, Qingdao, China.On the stability of chromatic thresholds
October 26, 2023: Jun Gao , The 8th Qilu Youth Forum, Qingdao, China.Many Hamiltonian subsets in large graphs with given density
October 25, 2023: Suyun Jiang , The 8th Qilu Youth Forum, Shandong Univ, Jinan, China.Generalized Ramsey-Turán problem for cliques
October 25, 2023: Zixiang Xu , Combinatorics seminar, Shandong Univ, Jinan, China.Structures of ultra-Kr-free graphs
October 25, 2023: Yisai Xue , The 8th Qilu Youth Forum, Shandong Univ, Jinan, China.The generalized Turán number of generalized theta graphs
October 25, 2023: Jun Gao , The 8th Qilu Youth Forum, Jinan, China.Extremal number of graphs from geometric shapes
October 21, 2023: Ruonan Li , Developments in Combinatorics Workshop, Jeju, South Korea.Properly colored spanning trees in edge-colored complete graphs without monochromatic triangles
October 20, 2023: Zixiang Xu , 3rd Developments in Combinatorics Workshop, Jeju, South Korea.Combinatorial proof of Graham-Pollak Theorem
September 23, 2023: Hong Liu , Indonesia-Japan Conference on Discrete and Computational Geometry, Graph theory, Bali, Indonesia.Turán problem for graphs from geometric shapes
September 18, 2023: Jun Gao , Combinatorics seminar, Chinese Academy of Sciences, Beijing, China.The Erdos distinct subset sums problem in a modular setting
September 17, 2023: Zixiang Xu , Youth Forum at Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing, China.Turán number of bipartite graphs from geometric shapes
September 15, 2023: Zixiang Xu , Combinatorics seminar, Nankai Univ, Tianjin, China.On a new variant of the Erdős–Gyárfás problem
September 15, 2023: Jun Gao , Combinatorics seminar, Nankai Univ, Tianjin, China.Tight bounds towards a conjecture of Gallai
September 13, 2023: Hong Liu , Combinatorics seminar, Nankai Univ, Tianjin, China.Beyond chromatic threshold via (p,q)-theorem, and shpar blow-up phenomenon
August 24, 2023: Zixiang Xu , ICIAM 2023, Waseda Univ, Tokyo, Japan.Robust Linear algebra methods and some applications
August 24, 2023: Jun Gao , ICIAM 2023, Waseda Univ, Tokyo, Japan.Many Hamiltonian subsets in large graphs with given density
August 24, 2023: Hong Liu , ICIAM 2023, Waseda Univ, Tokyo, Japan.Turán problem for graphs from geometric shapes
August 19, 2023: Zixiang Xu , Yokohama Workshop on Graph Theory, Yokohama, Japan.An Extremal problem related to Graham-Pollak Theorem
August 19, 2023: Hong Liu , Yokohama Workshop on Graph Theory, Yokohama Univ, Yokohama, Japan.Exponential decay of intersection volume and applications
August 9, 2023: Dongyeap Kang , KIAS Summer Workshop on Graph Theory, Seoul, South Korea.Hamilton cycles in a random subgraph of uniform Dirac hypergraphs
August 7, 2023: Zixiang Xu , Combinatorics seminar, Shandong Univ, Qingdao, China.Theoretical bounds and stability results on set systems
July 27, 2023: Zixiang Xu , OSRC 2023 Graph Theory and Combinatorics, Taiyuan, China.Turán number of graphs from geometric shapes
July 27, 2023: Hong Liu , OSRC 2023 Graph Theory and Combinatorics, Taiyuan, China.Kissing numbers and spherical codes in high dimensions
July 25, 2023: Dongyeap Kang , IBS Discrete Math Seminar, Daejeon, South Korea.Hamilton cycles and optimal matchings in a random subgraph of uniform Dirac hypergraphs
July 11, 2023: Suyun Jiang , Combinatorics seminar, Shandong Univ, Jinan, China.How connectivity affects the extremal number of trees
June 29, 2023: Stijn Cambie , 2nd China Korea young Scholars Symposium on Discrete mathematics, Tianjin, China.The Erdős distinct subset sums problem in modular setting for small modulus
June 27, 2023: Hong Liu , Graph theory workshop, Heidelberg Univ, Heidelberg, Germany.Crux and its applications
June 13, 2023: Minho Cho , IBS Discrete Math Seminar, Daejeon, South Korea.Strong Erdős-Hajnal property on chordal graphs and its variants
June 9, 2023: Hong Liu , Combinatorics seminar, Southern Univ Science and Technology, Shenzhen, China.Kissing numbers and spherical codes in high dimensions
June 5, 2023: Jun Gao , Canadian Discrete and Algorithmic Mathematics 2023, Winnipeg, Canada.Some recent results on the Turán numbers of bipartite graphs
June 5, 2023: Hong Liu , Combinatorics seminar, Fuzhou Univ, Fuzhou, China.Turán problem for graphs from geometric shapes
June 1, 2023: Younjin Kim , 28th KIAS Combinatorics Workshop, Jeju, South Korea.On the extremal problems related to Szemerédi’s theorem
June 1, 2023: Stijn Cambie , 28th KIAS Combinatorics Workshop, Jeju, South Korea.On a few problems of Erdős et al. in new settings
June 1, 2023: Nika Salia , 28th KIAS Combinatorics Workshop, Jeju, South Korea.Linear three-uniform hypergraphs with no Berge path of given length
May 30, 2023: Suyun Jiang , IBS Discrete Math Seminar, Daejeon, South Korea.How connectivity affects the extremal number of trees
April 29, 2023: Hyunwoo Lee , 2023 KMS Spring Meeting, Daejeon, South Korea.Covering multigraphs with bipartite graphs
April 28, 2023: Younjin Kim , 2023 KMS Spring Meeting, Daejeon, South Korea.On the extremal problems related to Szemerédi’s theorem
April 28, 2023: Suyun Jiang , 2023 KMS Spring Meeting, Daejeon, South Korea.How connectivity affects the extremal number of trees
April 28, 2023: Jun Gao , 2023 KMS Spring Meeting, Daejeon, South Korea.Many Hamiltonian subsets in large graphs with given density
April 28, 2023: Stijn Cambie , 2023 KMS Spring Meeting, Daejeon, South Korea.Maximum total distance of hypergraphs
April 19, 2023: Hong Liu , Colloquium, Zhejiang Univ, Hangzhou, China.Sublinear expanders and its applications
April 17, 2023: Hong Liu , Combinatorics seminar, Shanghai Univ, Shanghai, China.Sublinear expanders and its applications
April 14, 2023: Stijn Cambie , Monthly Mathematics Seminar, Vietnam National University, Ho Chi Minh City, Vietnam.Packing colourings in graphs; State-of-the-Art and further challenges
March 30, 2023: Minho Cho , Topology and Combinatorics seminar, Ajou Univ, Suwon, South Korea.Strong Erdős-Hajnal property on chordal graphs and its variants
March 22, 2023: Minho Cho , Combinatorics seminar, Hanyang Univ, Seoul, South Korea.Strong Erdős-Hajnal property on chordal graphs and its variants
March 21, 2023: Younjin Kim , IBS Discrete Math Seminar, Daejeon, South Korea.Problems on Extremal Combinatorics
February 23, 2023: Hong Liu , 27th KIAS Combinatorics Workshop, KIAS, Seoul, South Korea.Bipartite Turán problem from periodic tilings
February 18, 2023: Hong Liu , Colloquium, Chinese Academic of Science, Beijing, China.Exponential decay on intersection volume and it applications
February 17, 2023: Hong Liu , Combinatorics Seminar, Nankai Univ, Tianjin, China.Mixing vertices and almost expanders
February 14, 2023: Stijn Cambie , IBS Discrete Math Seminar, Daejeon, South Korea.Recent progress on the Union-closed conjecture and related
February 14, 2023: Hong Liu , Combinatorics Seminar, Shandong Univ, Jinan, China.Mixing vertices and almost expanders
January 10, 2023: Zixiang Xu , Invited talk, Shandong University, Jinan, China.Algebraic methods in intersective sets and set systems
January 10, 2023: Jun Gao , Invited talk, Shandong University, Jinan, China.Counting the number of (k-1)-cliques in a k-critical graph
January 3, 2023: Zixiang Xu , Invited talk, Taiyuan University of Technology, Taiyuan, China.Theoretical bounds and stability results on set systems
2022
December 28, 2022: Stijn Cambie , IBS Discrete Math Seminar, Daejeon, South Korea.The 69-conjecture and more surprises on the number of independent sets
December 20, 2022: Stijn Cambie , seminar at KULAK, Kortrijk, Belgium.The 69-conjecture and more surprises on the number of independent sets
December 17, 2022: Stijn Cambie , European Mathematical Cup, UA, Antwerp, Belgium.Background, strategies and examples; Recent Research in mathematics
December 14, 2022: Stijn Cambie , Discrete math seminar at UVA, Amsterdam, Netherlands.The number of (maximal) independent sets; surprising minimum question and the 69-conjecture
December 2, 2022: Hong Liu , Combinatorics seminar at Beijing Institute of Technology, Beijing, China.Rainbow cycles in properly edge-colored graphs
November 16, 2022: Stijn Cambie , Topology and Combinatorics seminar at Ajou Univ., Suwon, South Korea.Packing Variants of Colourings
November 11, 2022: Hong Liu , Combinatorics seminar at Fuzhou Univ., Fuzhou, China.Ramsey goodness of cycles
November 2, 2022: Hong Liu , Combinatorics seminar at Nankai Univ., Tianjin, China.Crux of a graph and its applications
October 22, 2022: Zixiang Xu , Forum on Extremal Combinatorics and Information Theory at Soochow Univ., Suzhou, China.Intersective sets over abelian groups
October 19, 2022: Stijn Cambie , KMS Fall Meeting, Seoul, South Korea.The importance of the empty set in Katona’s Circle Method and implications
October 1, 2022: Nika Salia , Combinatorics Workshop 2022 at GIST, Gwangju, South Korea.Stability version of Dirac’s theorem and its applications for generalized Turán problems
September 30, 2022: Zixiang Xu , Combinatorics Workshop 2022 at GIST, Gwangju, South Korea.Intersective sets over abelian groups
September 30, 2022: Stijn Cambie , Combinatorics Workshop 2022 at GIST, Gwangju, South Korea.
September 30, 2022: Jun Gao , Combinatorics Workshop 2022 at GIST, Gwangju, South Korea.A unified proof of conjectures on cycle lengths in graphs
September 28, 2022: Joonkyung Lee , Graph Limits, Nonparametric Models, and Estimation at Simons Institute , Berkeley, US.Recent developments on graph norms
August 19, 2022: Joonkyung Lee , Topology and Combinatorics seminar at Ajou Univ., Suwon, South Korea.Ramsey multiplicity and common graphs
June 30, 2022: Hong Liu , Third Southwestern German Workshop on Graph Theory, Heidelberg, Germany.What do we get from crux?
May 27, 2022: Stijn Cambie , Combinatorics Special Session I (Graph Theory) at KSIAM 2022 Spring Conference, Daejeon, South Korea.Regular Cereceda’s Conjecture
May 23, 2022: Stijn Cambie , IBS Discrete Math Seminar, Daejeon, South Korea.The precise diameter of reconfiguration graphs
May 6, 2022: Hong Liu , Combinatorics seminar at Fuzhou Univ., Fuzhou, China.Exponential decay of intersection volume and applications
April 29, 2022: Hong Liu , Invited lecture at 2022 KMS Spring Meeting, Seoul, South Korea.Exponential decay of intersection volume and applications
April 15, 2022: Hong Liu , Georgia Tech Combinatorics Seminar, Atlanta, USA.Exponential decay of intersection volume and applications