Hardness and Algorithms for Packing Steiner Trees in Digraphs

Speaker: Yuefang Sun(Ningbo University)

Time: Oct 15, 2026, 10:00-11:00

M1001, College of Science Building，Tencent Meeting ID: 267 575 018

【Science Lecture】How Sparse Are the Directions? Lacunarity, Trees, and Maximal Operators

Speaker: Malabika Pramanik（University of British Columbia）

Time: Oct 14, 2026, 16:30-17:30

1142, College of Science Building

Asymptotic expansion of induced Grassmannian Chern forms and distribution of random degeneracy sets

Speaker: Bingxiao Liu(Great Bay University)

Time: Oct 13, 2026, 16:00-17:00

Room M714, College of Science Building

Moreau envelope function based approach for bilevel programs

Speaker: Jane Ye(University of Victoria)

Time: Oct 13, 2026, 15:00-16:00

M1001, College of Science Building

Coxeter Condorcet domains

Speaker: Yibo Gao（Peking University）

Time: Oct 8, 2026, 10:00-11:00

M1001, College of Science Building，Tencent Meeting ID: 876 147 079

Workshop on Differential Equations and Biomathematics: Research Advances and Teaching

Time: Sep 26-28, 2026

M616, College of Science Bldg.

On the propgation speed of the Lotka-Volterra system

Speaker: Maolin Zhou（Chern Institute of Mathematics, Nankai University ）

Time: Sep 24, 2026, 15:30-16:30

Room M616, College of Science Building

On Erdos-Ginzburg-Ziv problem

Speaker: Hanbin Zhang (Sun Yat-sen University)

Time: Sep 24, 2026, 10:00-11:00

M1001, College of Science Building，Tencent Meeting ID: 545 644 030

Stochasticity zonostrophic instability

Speaker: Chen Wang（Beijing Normal University at Zhuhai）

Time: Sep 23, 2026, 16:00-17:00

M1001, College of Science Building

Principal eigenvalue of second order elliptic operator with large advection

Speaker: Maolin Zhou（Chern Institute of Mathematics, Nankai University ）

Time: Sep 23, 2026, 15:00-16:00

Room M616, College of Science Building