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数学科学学院学术报告Some results on continuous planar piecewise linear differential systems with three zones贾曼（中南大学） 报告时间： 2024年10月10日（周四）报告地点： 沙河主E502 9：00-12：00 报 告 摘 要 ：This talk is concerned with the global dynamics of continuous planar piecewise linear differential systems with three zones. We give all global phase portraits in the Poincaré disc and the...
数学科学学院学术报告Isochronous global center of linear plus homogeneous polynomial systems and cubic systems张军（成都理工大学） 报告时间： 2024 年 10 月 9 日（周三）报告地点： 沙河主E502 9：00-12：00 腾讯会议：205-737-903报 告 摘 要 ：We prove that any planar polynomial differential system with linear plus homogeneous nonlinearities has no isochronous global centers and obtain all cubic pol...
基础数学系学术报告--- 微分几何讨论班(2024秋季第2讲) 题目: The slicing problem by Bourgain and the maximal sections of convex bodies报告人: 鲁新宝 副教授 （同济大学）时间：2024-9-26 15：15-16：00 地点：沙河主E404摘要: In this talk, I will first introduce the famous unsolved slicing problem by Bourgain in details. Then I will address our recent work on the extremal sections of convex bodies. ...
基础数学系学术报告--- 微分几何讨论班(2024秋季第1讲) 题目: On compactness of sequences of manifolds with nonnegative scalar curvature报告人: 王常亮 副教授 （同济大学）时间：2024-9-26 14：15-15：00 地点：沙河主E404摘要: Gromov and Sormani conjectured that a sequence of three dimensional Riemannian manifolds with nonnegative scalar curvature and some additional uniform geometric bounds should ...
北航数学论坛学术报告--- 分析、偏微分方程与动力系统讨论班(2024秋季第2讲)On a classification of steady solutions to two-dimensional Euler equations桂长峰 教授(澳门大学)时间：2024年9月25日（周三下午）16：00-17：00地点：沙河主E404摘要: In this talk, I shall provide a classification of steady solutions to two-dimensional incompressible Euler equations in terms of the set of flow angles. The first ma...
应用数学系学术报告--- 分析、偏微分方程与动力系统讨论班(2024秋季第1讲)Almost sure global well-posedness for quadratic nonlinear Schrodinger system in 2-disc 孟繁飞 (启元实验室) 时间：9月25日(周三)上午 10:00-11:00 地点：沙河主楼E602摘要: We focus on the nonlinear Schrodinger equations on manifolds, and try to obtain their global solutions with low regularity. In this talk, I will introduce a syst...
