代数几何讨论班报告人:胡勇(上海交通大学 数学科学学院)报告时间: 2022年9月29日上午10:00-11:00腾讯会议号:339-154-857 密码: 202209报告题目: Fibered varieties over curves with low slope and sharp bounds in dimension three 报告摘要: In this talk, I will introduce the optimal slope inequality for fibered threefolds over curves and an effective Cornalba-Harris-Xiao type slope inequality for famil...
代数几何讨论班报告人:胡勇(上海交通大学 数学科学学院)报告时间: 2022年9月29日上午10:00-11:00腾讯会议号:339-154-857 密码: 202209报告题目: Fibered varieties over curves with low slope and sharp bounds in dimension three 报告摘要: In this talk, I will introduce the optimal slope inequality for fibered threefolds over curves and an effective Cornalba-Harris-Xiao type slope inequality for famil...
微分动力系统学术报告报告题目: 中心指数分离的部分双曲微分同胚的动力学报告人:杨大伟(苏州大学)时间: 2022-09-30 16:00-17:00腾讯会议: 593-125-612摘要:部分双曲系统是当下微分动力系统研究的一个重要对象。我们尤其关注一类中心指数分离的部分双曲系统:其中心子丛可再分解成相互控制的一维子丛。这类系统具有一定的典型性、且具有较好的动力学性质。关于这类系统,我们将主要介绍如下几个工作:1.我们证明了具有周期...
代数几何讨论班 报告人:凌松波(山东大学 数学科学学院)报告时间: 2022年9月22日上午10:00-11:00腾讯会议号:342 279 721 密码: 202209报告题目:Some recent progress on algebraic surfaces of general type with p_g=q=1, I报告摘要:The classification of algebraic surfaces of general type with p_g=q=1 has attracted the interest of many authors since they are irregular surfaces of general type with the lo...
数学科学学院学术报告 On the extended randomized multiple row method for solving linear least-squares problems 吴念慈(中南民族大学) 报告时间:2022年9月23日,星期五,上午: 9:00-10:00报告地点:腾讯会议:778-588-797, 会议密码:0923报告摘要:The randomized row method is a popular representative of the iterative algorithm because of its efficiency in solving the overdetermined and consistent syste...
微分动力系统学术报告报告题目: Spectral rigidity and joint integrability for Anosov diffeomorphisms on tori报告人:史逸(北京大学)时间: 2022-09-22 09:30-10:30腾讯会议: 273-440-954摘要: In this talk, we address on the strong rigidity properties from joint integrability in the setting of Anosov diffeomorphisms on tori. More specifically, for an irreducible Anosov diffeomorphism with splitted s...