学术报告
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12
2024-12
广义symbol-pair重量的上界及上界码的构造题目: 广义symbol-pair重量的上界及上界码的构造 报告人:刘子辉教授 (北京理工大学) 摘要:码的symbol-pair重量和距离区别于传统的Hamming 距离和重量。 报告中给出广义symbol-pair重量的一个理论上界。借助组合设计和图论中的结论以及群在集合上作用形成轨道方法构造了若干类达上界的拥有相等symbol-pair重量的码,这些码称作等重码。通过恰当删除群作用形成的轨道以及递推构造方式,还得到了若干类达上界的非等重码。证明了上述达上界的码在信息传...
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11
2024-12
Testing the general linear hypothesis in high-dimensional heteroscedastic factor model via random integration题目:Testing the general linear hypothesis in high-dimensional heteroscedastic factor model via random integration 报告人:曹明响教授 (安徽师范大学) 摘 要:In this paper, we proposed a test procedure based on random integration and the well-known Welch–Sa...
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10
2024-12
Stationary states of Dirac systems with nonlinear interacting terms题目:Stationary states of Dirac systems with nonlinear interacting terms 报告人:郭琪博士(中国人民大学) 摘要:In this talk, we explore nonlinear eigenvalue problems, with a particular focus on the Dirac-Klein-Gordon system. Both the Dirac field and the Klein...
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04
2024-12
Tulczyjew’s approach for particles in gauge fields动力系统讨论班 题目: Tulczyjew’s approach for particles in gauge fields 报告人:孟国武教授(香港科技大学) 摘要:Tulczyjew's unified approach to Lagrangian and Hamiltonian descriptions of particle dynamics is quite appealing to geometry-oriente...
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02
2024-12
Traveling wave solutions of a reaction-diffusion-ODE system based on receptor-ligand kinetics题目:Traveling wave solutions of a reaction-diffusion-ODE system based on receptor-ligand kinetics 报告人:Professor Izumi Takagi (日本东北大学) 摘要:We consider a reaction-diffusion equation coupled with three ordinary differential equations proposed b...
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29
2024-11
A New Algorithm for Machine Learning and Artificial Intelligence题目:A New Algorithm for Machine Learning and Artificial Intelligence 报告人:夏志宏教授 (美国西北大学 / 大湾区大学) 摘 要: We propose a novel machine learning algorithm inspired by complex analysis. Our algorithm has a better mathematical formulation and c...
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28
2024-11
《航天系统工程实践与系统思维》题目:《航天系统工程实践与系统思维》 报告人:李明华 (中国航天科技集团有限公司第一研究院) 摘要:本课程通过研究航天系统工程的特征方法,提炼中国航天系统工程发展的四个阶段,总结航天系统工程实践面临的挑战及深层次原因,分析系统思维在航天系统工程中的应用和实践,并针对战略思维、过程思维、逆向思维、底线思维、创新思维、非线性思维、非连续性思维和混沌思维在航天系统工程中的具体实践进行了详细的剖析。 对于掌握科学的思想方法和思维方式,坚持系统思维,避免局部思维方式带来的片面性,具有...
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20
2024-11
Lie groupoid structures on regular Donaldson Moduli spaces动力系统讨论班 题目:Lie groupoid structures on regular Donaldson Moduli spaces 报告人:乔帅格博士(北京大学) 摘要:In general, moduli spaces in geometry have quotient singularities and the Lie groupoids have advantages in recording these structure...
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19
2024-11
Subgroup structure and applications题 目:Subgroup structure and applications 报告人:余君 副教授(北京大学) 摘 要:In this talk, we present some studies of subgroups of linear algebraic groups and applications of these results in the Inverse Galois problem, the classification of acceptable L...
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18
2024-11
The dilemma in running quantum algorithms and my solutions题目: The dilemma in running quantum algorithms and my solutions 报告人:吴连坳教授(University of the Basque Country, Spain) 摘 要:Decoherence/Noise is a major challenge in runing quantum algorithms. There have been three methods to fight wit...