Bounds on torsion of CM abelian varieties over a p-adic field with values in a field of p-power roots

Speaker: Yoshiyasu Ozeki (Kanagawa University)

Time: Sep 15, 2022, 14:00-15:00

Location: Zoom ID: 558 118 7360, Passcode: sustech123

Systemic Risk under Extremes

Speaker: Jiajun Liu (Xi’an Jiaotong-Liverpool University)

Time: Sep 15, 2022, 10:00-11:00

Location: Tencent Meeting ID 702-350-730, Passcode 220915

Incidence estimates for α-dimensional tubes and β-dimensional balls in R2

Speaker: Kevin REN (Princeton University), Yuqiu FU (MIT)

Time: Sep 15, 2022, 09:00-10:00

Location: Zoom ID: 941 1560 4418, Passcode: 123456

[Math Department Invited Talk] Some recent results on compressible Navier-Stokes equations

Speaker: Jing Li (Nanchang University & Academy of Mathematics and Systems Science, CAS)

Time: Sep 13, 2022, 15:30-16:30

Location: Tencent Meeting ID: 151 695 125 Password:888888

Co-recovery of an obstacle and its excitation sources from near-field scattering data

Speaker: Yukun Guo (Harbin Institute of Technology)

Time: Aug 31, 2022, 15:00-16:00

Location: Tencent Meeting ID 169-945-908, Passcode 220831

A reinterpreted discrete fracture model for fracture and barrier networks

Speaker: Yang Yang (Michigan Technological University)

Time: Aug 31, 2022, 09:00-10:00

Location: Tencent Meeting ID 117-961-286

Optimal singular dividend control with capital injection and affine penalty payment at ruin

Speaker: Ran Xu (Xi’an Jiaotong-Liverpool University)

Time: Aug 26, 2022, 10:00-11:00

Location: Tencent Meeting ID 878-900-323, Passcode 220826

Unifying Non-Convex Low-Rank Matrix Recovery Algorithms by Riemannian Gradient Descent

Speaker: Jianfeng Cai (The Hong Kong University of Science and Technology)

Time: Aug 24, 2022, 15:00-16:00

Location: Tencent Meeting ID 729-760-405, Passcode 220824

Relating lp regularization and reweighted l1 regularization

Speaker: Hao Wang (ShanghaiTech University)

Time: Aug 24, 2022, 11:00-12:00

Location: Tencent Meeting ID 519-500-493