YMSC Topology Seminar | Points on spheres, character varieties, and Stokes matrices 图片

Abstract： The moduli spaces of points on n-spheres carry natural actions of braid groups. For n=0, 1, and 3, we prove that these symmetries extend to actions of mapping class groups of certain

一二·九｜“数件真心”联队排练回顾

(Algebraic) Curves and (minimal) Surfaces

Speaker Intro ・ PhD in 2008, Humboldt Universität Berlin, Germany  ・ Habilitation in 2014, Universität Tübingen, Germany  ・ Researcher at Universities of Heidelberg, Hamburg, Hannover, 2014-2022...

Design of gradient flows for sampling probability distributions

Abstract Sampling a target distribution with an unknown normalization constant is a fundamental problem in computational science and engineering. Often, dynamical systems of probability densities

60 Years of Matching: From Gale and Shapley to Trading Networks

Abstract Gale and Shapley’s 1962 American Mathematical Monthly paper, “College Admissions and the Stability of Marriage,” is by now one of the most cited articles in the journal’s history, havi...

数学史课程预告 | History of Class Field Theory (2)

主讲人介绍 Yihang Zhu Yihang Zhu is a professor at YMSC, Tsinghua University. He got his PhD from Harvard and worked at Columbia and Maryland before joining Tsinghua. His research interest is in Nu...

求真大讲堂预告 | 第四十四讲：我所经历的认知神经科学四次浪潮

主讲人介绍 刘嘉，清华大学基础科学讲席教授。清华大学心理学系系主任，脑与智能实验室首席研究员，北京智源人工智能研究院首席科学家。北京大学心理学系学士、硕士，美国麻省理工学院脑与认知科学系博士。长期从...

雁栖金融系列讲座 | 宏观分析框架与资产定价

讲座摘要 市场中的宏观研究主要通过已知数据判断宏观周期的位置以及后续变化；相对于学术研究，淡化对宏观概念及原因的探究，更关注数据相关性；相对于政府等机构中的研究，较少考虑政策合理性，更关注政策导致的...

雁栖金融系列讲座 | 我们为什么需要消费金融

讲座摘要 今年前三季度我国国内生产总值等指标有所改善，宏观经济呈现恢复态势。但是内需和外需仍然较为疲软，宏观经济数据改善与微观主体感受之间存在“温差”。提振消费是我国稳经济政策的“牛鼻子”，短期靠“...

弦理论

PI: Sergio Cecotti, Hossein Yavartanoo 弦理论，一个已有五十多年历史的学科，仍然是大多数理论物理学家寻找统一的自然基本理论的中心。如今弦理论是一门涵盖大部分非唯象基础理论物理的宽泛学科。 除了严格意...