Zichao Dong gave a talk on a variation of the Erdős-Szekeres problem among points of bounded pairwise distances at the Discrete Math Seminar

On January 23, 2024, Zichao Dong from the IBS Extremal Combinatorics and Probability Group gave a talk at the Discrete Math Seminar on a d-dimensional analog of a variation of the Erdős-Szekeres problem among n points of bounded pairwise distances. The title of his talk was “Convex polytopes in non-elongated point sets in R^d“.

Ting-Wei Chao (趙庭偉) gave a talk on the number of points that are intersections of d linearly independent lines among given n lines in the d-dimensional space at the Discrete Math Seminar

On December 12, 2023, Ting-Wei Chao (趙庭偉) from Carnegie Mellon University gave a talk at the Discrete Math Seminar on the number of points that are intersections of d linearly independent lines among given n lines in the d-dimensional space. The title of his talk was “Tight Bound on Joints Problem and Partial Shadow Problem“.

Ben Lund gave a talk on the existence of an embedding of every almost spanning tree with specified distances of edges into a finite vector space at the Discrete Math Seminar

On December 4, 2023, Ben Lund from the IBS Discrete Mathematics Group gave a talk at the Discrete Math Seminar on the existence of an embedding of every almost spanning tree with specified distances of edges into a finite vector space. The title of his talk was “Almost spanning distance trees in subsets of finite vector spaces.”

Hyunwoo Lee (이현우) gave a talk on the existence of a Steiner triple system in a 3-uniform hypergraph with large minimum codegree at the Discrete Math Seminar

On November 28, Hyunwoo Lee (이현우) from KAIST and IBS Extremal Combinatorics and Probability Group gave a talk at the Discrete Math Seminar on the existence of a Steiner triple system in a 3-uniform hypergraph with large minimum codegree. The title of his talk was “Towards a high-dimensional Dirac’s theorem“.

Seunghun Lee (이승훈) gave a talk on the existence of hypergraphs embeddable in ℝ^d with large chromatic number at the Discrete Math Seminar

On November 20, 2023, Seunghun Lee (이승훈) from the Hebrew University of Jerusalem gave a talk at the Discrete Math Seminar on the existence of k-uniform hypergraphs embeddable in ℝ^d with large chromatic number. The title of his talk was “On colorings of hypergraphs embeddable in R^d.”

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IBS 이산수학그룹 Discrete Mathematics Group
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IBS Discrete Mathematics Group (DIMAG)
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