∞
π Σ ∫ ∂ Δ √
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Activities

Graph Theory and Combinatorics

Recent Developments in the Brown-Erdős-Sós Problem
September 14, 2026 Conference Room S306 at Experiment Building at Haiyun Campus Xinqi Huang (University of Science and Technology of China)
The combinatorics of alternating sign matrices
September 9, 2026 Zoom ID: 982-4902-7113（Password:454880） Roger Behrend (Cardiff University）
c-function and Macdonald polynomials
September 8, 2026 Zoom ID: 840 4448 0463 (Password: 607991) Arun Ram (The University of Melbourne）
Partial-duals for plane hypermaps
August 21, 2026 Conference Room C610 at Administration Building at Haiyun Campus Qi Yan (Lanzhou University)
A cubic refinement of Jackson's Chvátal--Erdős condition for Hamilton cycles in digraphs
August 21, 2026 Conference Room C610 at Administration Building at Haiyun CampusConference Room C610 at Administration Building at Haiyun Campus Jiangdong Ai (Nankai University)
Hypergraph Ramsey numbers with quasipolynomial growth rate
July 5, 2026 Conference Room C802 at Administration Building at Haiyun Campus Jiaxi Nie (Georgia Institute of Technology)
Symmetric functions and alternating sign matrices
June 3, 2026 Zoom Meeting: 668 1611 9699（Password: 412346） Ilse Fischer（University of Vienna）
Permutation module decomposition of the cohomology of a regular semisimple Hessenberg variety
May 27, 2026 Zoom Meeting ID: 714-1526-6102 (Password: 260527) & Room S105 Soojin Cho (AJOU University)
On the multipliers of a Singer quadrangle
May 12, 2026 Conference Room S204 at Experiment Building at Haiyun Campus Wendi Di (East China University of Science Technology)
Deformed free fermions and factorial Schur functions
March 13, 2026 Conference Room S102 at Experiment Building at Haiyun Campus Travis Scrimshaw（Hokkaido University）
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