学术报告
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26
2024-06
The MHD equations near the Couette flow and a background magnetic field题目: The MHD equations near the Couette flow and a background magnetic field报告人: Prof. Jiahong Wu (University of Notre Dame) 摘要: This...
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26
2024-06
Bruhat-Tits buildings and p-adic period domains题目：Bruhat-Tits buildings and p-adic period domains 报告人：申旭 研究员 （中国科学院数学与系统科学研究院） 摘要：Rémy-Thuillier-Werner constructed embeddings of Bruhat-Tits buildings into the Berkovich spaces associated to suitable flag variet...
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26
2024-06
Global regularity results of the 2D fractional Boussinesq equations题目 :Global regularity results of the 2D fractional Boussinesq equations 报告人：许孝精 教授 （北京师范大学） 摘要 ：In this talk, I shall first introduce some global well-posedness results on the 2D Boussinesq equations, then I shall show our newest result on...
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25
2024-06
Transition threshold for 2D Taylor-Couette flow in the exterior domain题目：Transition threshold for 2D Taylor-Couette flow in the exterior domain 报告人：李特 副研究员 （中国科学院） 摘要：In this paper, we consider the stability of the incompressible Navier-Stokes equations in the exterior domain of the two-dimensional T...
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25
2024-06
Extended codes and deep holes of MDS codes题目：Extended codes and deep holes of MDS codes 报告人：吴严生 (教授) 南京邮电大学 摘要：In this talk, we will discuss the relationship between extended codes and deep holes of MDS codes. To be precise, we will prove that the extended codes C(u) of an [n...
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24
2024-06
The many facets of permutohedra题目：The many facets of permutohedra 报告人：郭龙 教授（南开大学） 摘要： A permutohedron is a polytope whose vertices are the rearrangements of a vertor in an n-dimensional Euclidean space. It is also well known that a permutohedron is the Newton po...
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24
2024-06
Quasi-diagrams and gentle algebras题目：Quasi-diagrams and gentle algebras 报告人：叶郁 教授（中国科学技术大学） 摘要：We associate each gentle algebra A a quasi-diagram, which is by definition an involution in certain symmetric group, and show that the finiteness of the global dimension ...
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24
2024-06
Learning network-structured dependence from non-stationary multivariate point process data题目：Learning network-structured dependence from non-stationary multivariate point process data 报告人：张春明 教授（美国威斯康星大学麦迪逊分校） 摘要：Understanding sparse network dependencies among nodes from multivariate point process data has broad applica...
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21
2024-06
On the Hopf-Tsuji-Sullivan dichotomy on manifolds without conjugate points题目：On the Hopf-Tsuji-Sullivan dichotomy on manifolds without conjugate points 报告人：刘飞 副教授 摘要：In this talk, we will establish the Hopf-Tsuji-Sullivan dichotomy for the Bowen-Margulis-Sullivan measures on visibility manifolds without...
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20
2024-06
Finite general linear groups and vertex operators报告题目: Finite general linear groups and vertex operators报告人: 景乃桓 教授 (北卡州立大学)摘要: We give a new approach to compute irreducible characters of the general linear group over the finite field. The vertex algebraic method enhanced Green's theory and ...