Spectral analysis of high-dimensional spot volatility matrix with applications

Speaker: Qiang Liu（Shanghai University of Finance and Economics）

Time: Dec 3, 2025, 14:00-15:00

314, College of Business Building

【Science Lecture】How small can the aperiodic autocorrelations of a binary sequence be?

Speaker: Jonathan Jedwab (Simon Fraser University, Canada)

Time: Dec 2, 2025, 16:30-17:30

M1001, College of Science Building

An exponential improvement for Ramsey lower bounds

Speaker: Jie Ma（University of Science and Technology of China）

Time: Dec 1, 2025, 16:30-17:30

M1001, College of Science Building

Lattice polytopes and their Lefschetz properties

Speaker: Karim Alexander Adiprasito（Sorbonne Université）

Time: Dec 1, 2025, 15:00-16:00

M1001, College of Science Building

Heat kernel asymptotics and analytic torsion on non-degenerate CR manifolds

Speaker: Guokuan SHAO（Sun Yat-sen University）

Time: Dec 1, 2025, 09:30-10:30

Tencent meeting ID: 647-395-085

【Science Lecture】Structure-preserving parametric finite element methods for geometric PDEs and applications

Speaker: Weizhu Bao（National University of Singapore）

Time: Nov 28, 2025, 16:30-17:30

M1001, College of Science Building

Distributed Recursion Revisited

Speaker: Yuhong Dai（Academy of Mathematics and Systems Science, Chinese Academy of Sciences）

Time: Nov 27, 2025, 15:00-16:00

CS1142, College of Science Building

On the complete classification of triply-transitive strongly regular graphs

Speaker: Weicong Li（Great Bay University）

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

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

Eisenstein congruences for prime square levels

Speaker: Jianing Li （Shandong University）

Time: Nov 26, 2025, 16:20-17:20

M1001, College of Science Building