Some extremal problems on (non-) color critical graphs

Speaker: Shuchao Li（Central China Normal University）

Time: Dec 4, 2025, 10:00-11:00

Location: M1001, College of Science Building，Tencent Meeting ID: 654 651 904

On the complete classification of triply-transitive strongly regular graphs

Speaker: Weicong Li（Great Bay University）

Time: Nov 27, 2025, 10:00-11:00

Location: M4009, College of Science Building，Tencent Meeting ID: 111 643 003

The Dunkl-Watanabe duality, II

Speaker: Tatsuro Ito（Anhui University）

Time: Nov 25, 2025, 11:00-12:00

Location: Room M4009, College of Science Building，Tencent Meeting ID: 868 415 472

An Improved Bound for Strongly Regular Graphs with Smallest Eigenvalue −m

Speaker: Jack Koolen(University of Science and Technology of China)

Time: Nov 25, 2025, 10:00-11:00

Location: Room M4009, College of Science Building，Tencent Meeting ID: 868 415 472

Recent Progess On the Bollobas-Nikiforov Conjecture

Speaker: Xiaodong Zhang（Shanghai Jiao Tong University）

Time: Nov 20, 2025, 10:00-11:00

Location: M4009, College of Science Building，Tencent Meeting ID: 261 762 777

The List Linear Arboricity of Digraphs

Speaker: Ping Hu (Sun Yat-sen University)

Time: Nov 13, 2025, 10:00-11:00

Location: M1001, College of Science Bldg.

Disjoint perfect matchings and disjoint Hamilton cycles of regular graphs

Speaker: Weigen Yan(Jimei University)

Time: Nov 6, 2025, 10:00-11:00

Location: M1001, College of Science Building，Tencent Meeting ID: 501 211 106

Orders of quotients of groups and applications to locally-transitive graphs

Speaker: Gabriel Verret（University of Aucklan）

Time: Nov 5, 2025, 15:00-16:00

Location: Room 240A, Taizhou Hall

Some problems on colouring and list colouring of planar graphs

Speaker: Xuding Zhu(Zhejiang Normal University)

Time: Oct 30, 2025, 10:00-11:00

Location: M1001, College of Science Building

The ranks of tensors and their applications

Speaker: Thomas Karam（Shanghai Jiaotong University）

Time: Oct 20, 2025, 10:00-11:00

Location: M1001, College of Science Building，Tencent Meeting ID: 247 426 854

Tur\'{a}n number of books in non-bipartite graphs

Speaker: Ruifang Liu(Zhengzhou University)

Time: Oct 16, 2025, 10:00-11:00

Location: Room M4009, College of Science Building，Tencent Meeting ID: 526 396 130

On 3-graphs with vanishing codegree Turán density

Speaker: Laihao Ding（Central China Normal University）

Time: Oct 9, 2025, 10:00-11:00

Location: M1001, College of Science Building

Some Topics in Sperner Theory

Speaker: Yi Wang(Dalian University of Technology)

Time: Sep 25, 2025, 10:00-11:00

Location: Room M4009, College of Science Building，Tencent Meeting ID: 381 567 537

The spread of graphs

Speaker: Yi Wang(Anhui University)

Time: Sep 18, 2025, 10:00-11:00

Location: M1001, College of Science Building，Tencent Meeting ID: 230 949 914

Solution of the dimer problem on the three-dimensional Sierpinski gasket

Speaker: Weigen Yan(Jimei University)

Time: May 22, 2025, 10:00-11:00

Location: M1001, College of Science Building，Tencent Meeting ID: 498 500 227