seminar Archives - Page 9 of 36 - Discrete Mathematics Group

February 27, 2024July 6, 2024

Jie Han gave a talk on the complexity of deciding the existence of a perfect matching in k-uniform hypergraphs under various degree conditions at the Discrete Math Seminar

On February 27, 2024, Jie Han (韩杰) from the Beijing Institute of Technology gave a talk at the Discrete Math Seminar on the complexity of deciding the existence of a perfect matching in k-uniform hypergraphs under various degree conditions. The title of his talk was “Perfect matchings in dense uniform hypergraphs“. Jie Han will stay at IBS for two months.

February 16, 2024July 6, 2024

Sebastian Wiederrecht gave a talk on the 1/4-integral Erdős-Pósa property of even directed cycles at the Discrete Math Seminar

On February 14, 2024, Sebastian Wiederrecht from the IBS Discrete Mathematics Group gave a talk at the Discrete Math Seminar, showing that the even directed cycles have the 1/4-integral Erdős-Pósa property. The title of his talk was “Packing even directed circuits quarter-integrally“.

February 9, 2024July 6, 2024

Ander Lamaison gave a talk on the uniform Turán density of a hypergraph at the Discrete Math Seminar

On February 6, 2024, Ander Lamaison from the IBS Extremal Combinatorics and Probability Group gave a talk at the Discrete Math Seminar on the uniform Turán density of a hypergraph. The title of his talk is “Uniform Turán density beyond 3-graphs“.

January 23, 2024July 6, 2024

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“.

January 17, 2024July 6, 2024

Matthew Kroeker gave a talk on the average number of points on affine subspaces determined by points at the Discrete Math Seminar

On January 16, 2024, Matthew Kroeker from the University of Waterloo gave a talk at the Discrete Math Seminar on the average number of points on planes (or affine subspaces) determined by points. The title of his talk was “Average flat-size in complex-representable matroids“.

January 12, 2024July 6, 2024

Jinyoung Park (박진영) gave a talk on the number of antichains of subsets of an n-element set at the Discrete Math Seminar

On January 11, 2024, Jinyoung Park (박진영) from NYU gave a talk at the Discrete Math Seminar on the number of antichains of subsets of an n-element set. The title of her talk was “Dedekind’s Problem and beyond“.

January 2, 2024July 6, 2024

Daniel McGinnis gave a talk on applications of the KKM theorem to various problems in discrete geometry at the Discrete Math Seminar

On January 2, 2024, Daniel McGinnis from Iowa State University gave a talk at the Discrete Math Seminar on applications of the KKM theorem to various problems in discrete geometry. The title of his talk is “Applications of the KKM theorem to problems in discrete geometry“.

December 21, 2023July 6, 2024

Shengtong Zhang (张盛桐) gave a talk on the minimum number of triangles in a $K_t$-Ramsey graph at the Discrete Math Seminar

On December 19, 2023, Shengtong Zhang (张盛桐) from Stanford University gave a talk at the Discrete Math Seminar on the minimum number of triangles in a $K_t$-Ramsey graph. The title of his talk was “Triangle Ramsey numbers of complete graphs“.

December 12, 2023July 6, 2024

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“.

December 7, 2023July 6, 2024

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.”

Category: seminar