Three new infinite families of divisible design graphs based on symplectic spaces

Speaker: Sergey Goryainov（Hebei Normal University）

Time: May 15, 2025, 10:00-11:00

Location: M1001, College of Science Building，Tencent Meeting ID: 876 235 785

Truncated sums of theta function identities

Speaker: Xianwei Xia（Suzhou University of Science and Technology）

Time: Apr 17, 2025, 10:00-11:00

Location: M1001, College of Science Building，Tencent Meeting ID: 329 689 224

Can hyperinterpolation part with quadrature exactness?

Speaker: Congpei An（Guizhou University）

Time: Apr 15, 2025, 14:00-15:00

Location: M1001, College of Science Building

Erdos-Ko-Rado type results via spread approximations

Speaker: Andrei Kupavskii（Moscow Institute of Physics and Technology）

Time: Apr 10, 2025, 10:00-11:00

Location: Room M4009, College of Science Building，Tencent Meeting ID: 298 668 764

Uniform set systems with small VC-dimension

Speaker: Zixiang Xu（Extremal Combinatorics and Probability Group, Institute for Basic Science）

Time: Apr 3, 2025, 10:00-11:00

Location: M1001, College of Science Building

Mutually Unbiased Sets of Orthogonal Vectors: Bound and Constructions

Speaker: Zilong Wang（Xidian University）

Time: Mar 27, 2025, 11:00-12:00

Location: M1001, College of Science Building，Tencent Meeting ID: 350 838 682

Some interlacing sequences related to Eulerian and derangement polynomials

Speaker: Li Liu（Qufu Normal University）

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

Location: M1001, College of Science Building，Tencent Meeting ID: 350 838 682

Intersecting Spanning Trees

Speaker: Ferdinand Ihringer（SUSTech）

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

Location: M1001, College of Science Building，Tencent Meeting ID: 128 865 518

Zarankiewicz numbers from pairwise balanced designs

Speaker: Guangzhou Chen (Henan Normal University)

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

Location: M1001, College of Science Building

Katona cycle methods and applications

Speaker: Jimeng Xiao (SUSTech)

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

Location: Room M4009, College of Science Building

Coherent configurations and graph spectrums

Speaker: Ziqing Xiang（SUSTech）

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

Location: M1001, College of Science Building

An introduction to algebraic combinatorics

Speaker: Yibo Gao（Peking University）

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

Location: M1001, College of Science Building，Tencent Meeting ID: 658 464 538

On the Nonexistence of Generalized Bent Functions

Speaker: Shuxing Li（University of Delaware）

Time: Dec 26, 2024, 15:00-16:00

Location: Room M4009, College of Science Building，Tencent Meeting ID: 615 367 766

Some aspects of spectral graph theory

Speaker: Bo Zhou（South China Normal University）

Time: Dec 26, 2024, 14:00-15:00

Location: M1001, College of Science Building，Tencent Meeting ID: 615 367 766

Weakly distance-regular digraphs

Speaker: Yuefeng Yang（China University of Geosciences, Beijing）

Time: Dec 19, 2024, 14:00-15:00

Location: Room M4009, College of Science Building，Tencent Meeting ID: 453 721 113