기초과학연구원 이산수학그룹
On January 20, 2020, Adam Zsolt Wagner from ETH Zurich gave a talk on the largest subset of $\mathbb Z_{2^n}$ having no projective $d$-cube. The title of his talk was “The largest projective cube-free subsets of $Z_{2^n}$“. He has been visiting IBS discrete mathematics group for a week and will leave on this Wednesday.
On January 15, 2020, Ben Lund from Princeton University gave a talk about a generalization of the Kakeya conjecture posed by Ellenberg, Oberlin, and Tao. The title of his talk was “Furstenberg sets over finite fields“. He is visiting the IBS discrete mathematics group until January 21, Tuesday.
On January 14, 2020, Sanjeeb Dash from IBM T. J. Watson Research presented a talk on the integer programming formulation for the problem arising from the interpretable machine learning. The title of his talk was “Boolean decision rules via column generation“. He is visiting IBS Discrete Mathematics Group until the end of this week.
On December 26, Thursday, Jaiung Jun (전재웅) from SUNY New Paltz gave a talk at the discrete math seminar held at KAIST. The title of his talk was “The Hall algebra of the category of matroids“.
On December 19, 2019, Attila Joó from University of Hamburg presented a talk on the partitioning of the ground set into bases of finitary and cofinitary matroids at the discrete math seminar. The title of his talk was “Base partition for finitary-cofinitary matroid families”.
On December 12, 2019, Hong Liu from University of Warwick gave a talk on the resolution of the conjecture of Mader on the existence of a complete topological minor under the condition of average degree for C4-free graphs at the discrete math seminar held at KAIST. The title of his talk was “A proof of Mader’s conjecture on large clique subdivisions in $C_4$-free graphs“.
On December 10, 2019, Jakub Gajarský from Technische Universität Berlin presented a talk on the class of graphs of structurally bounded expansion and its relationship to the low shrubdepth covers. The title of his talk was “First-order interpretations of bounded expansion classes“.
On November 21, 2019, Frédéric Meunier from École Nationale des Ponts et Chaussées, Paris presented a talk on the orthogonal representations and the orthogonality dimension of graphs at the discrete math seminar. The title of his talk was “Topological bounds for graph representations over any field“.
On November 19, 2019, Ruth Luo from University of California San Diego gave a talk on the Turán-type results on r-uniform hypergraphs without a certain structure called an induced Berge-F. The title of her talk was “Induced Turán problems for hypergraphs“. She is visiting IBS discrete mathematics group until November 22.
On November 12, Tony Huynh from Monash University gave a talk on the maximum weight stable set problem on graphs with bounded odd cycle packing number. The title of his talk was “Stable sets in graphs with bounded odd cycle packing number“.