学术报告
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31
2025-03
A fractional order SIRS model by the way of generalized continuous time random walk题目：A fractional order SIRS model by the way of generalized continuous time random walk 报告人：王玮明 教授 （淮阴师范学院） 摘要：In this talk, we propose a novel fractional-order SIRS (frSIRS) model incorporating infection forces under intervention...
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25
2025-03
癌症防控中的统计学思考题目：癌症防控中的统计学思考 报告人：董学思 (国家癌症中心/中国医学科学院肿瘤医院) 摘要：中国面临严峻的癌症负担，据国家癌症中心最新数据，2023年癌症新发病例超400万，死亡病例近300万，疾病负担持续上升。癌症防控依赖多维度数据资源，包括肿瘤登记系统、电子病历、人群队列及真实世界研究数据，为病因探索、筛查策略优化和精准干预提供支撑。近年来，统计学方法在癌症防控中发挥关键作用。本报告结合中国癌症防控及相关实践中的统计学思考，探讨统计学在癌症精准防控...
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19
2025-03
Identification and Estimation for Matrix Time Series CP-factor Models题目：Identification and Estimation for Matrix Time Series CP-factor Models 报告人：常晋源教授 (西南财经大学) 摘要：We propose a new method for identifying and estimating the CP-factor models for matrix time series. Unlike the generalized eigenanalys...
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14
2025-03
“大师面对面科学普及报告”欧拉数与几何题目：“大师面对面科学普及报告”欧拉数与几何 报告人：田刚（中国科学院院士） 摘要：在这个通俗演讲中，从欧拉公式开始，引进欧拉数的概念，简述其发展历程。欧拉数是一个拓扑不变量，在数学中有很多重要应用，特别是几何学。本次报告将讨论欧拉数与几何的联系，以及在当代数学前沿之一计数几何研究中发挥的重要作用。 报告人简介:田刚，北京大学讲席教授，中国科学院院士。现任民盟中央副主席，北京大学校务委员会副主任，北京国际数学研究中心主任，还担任国家自然科学基金委天元基金领导小组组长，教...
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06
2025-03
Improved lower bounds on the minimum distances of the dual codes of primitive narrow-sense BCH codes题目：Improved lower bounds on the minimum distances of the dual codes of primitive narrow-sense BCH codes 报告人：李成举教授 （华东师范大学） 摘要：In this talk, we introduce our recent work about the lower bounds on the minimum distances of the dual codes of p...
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20
2025-01
Liouville theorems for conformally invariant fully nonlinear equations and applications题目：Liouville theorems for conformally invariant fully nonlinear equations and applications 报告人：李岩岩教授 （美国Rutgers大学） 摘要：We present new results on optimal Liouville theorems for conformally invariant fully nonlinear equations in ...
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18
2025-01
The Arnold conjecture on symplectic Orbifolds题目： The Arnold conjecture on symplectic Orbifolds 报告人：王百灵（澳大利亚国立大学） 摘要：Arnold conjecture on a closed symplectic manifold states that each Hamiltonian diffeomorphism has at least was many fixed points as the sum of all the Betti n...
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18
2025-01
Lie groupoid structures on regular Donaldson moduli spaces and applications.题目：Lie groupoid structures on regular Donaldson moduli spaces and applications. 报告人：乔帅格（北京大学） 摘要：In the study of instanton moduli spaces, e.g. Kotschick-Morgan conjecture, Witten conjecture, K-theoretical Donaldson invar...
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18
2025-01
Hamiltonian 2 group action on symplectic orbifolds and reduction题目：Hamiltonian 2 group action on symplectic orbifolds and reduction 报告人：陈柏辉（四川大学） 摘要：Symplectic reduction on symplectic manifolds is defined for Hamiltonian group actions. It has important physics backgrounds and is an operation i...
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17
2025-01
kahler compactification of C^n and reeb dynamics题目：kahler compactification of C^n and reeb dynamics 报告人：李驰教授 （Rutgers大学） 摘要：Let X be a smooth Kahler compactification of Cn such that X ⊂ C^n is a complex submanifold. We prove that X must be biholomorphic to P^n. We also prove that on C^3...