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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：国民营养与粮食安全研究
国民营养 粮食安全 双重约束
2023/4/24
国民营养和粮食安全是关系国家经济发展和社会安全稳定的重大基础性和战略性问题。报告聚焦"国民膳食、营养、健康变迁与可持续发展"和"粮食可持续供需格局与保障"两大议题进行研讨,包括国民膳食营养特征和精准化评价与需求、基于营养健康和粮食安全的粮食中长期需求预测、营养健康导向的动物性食物与饲料粮需求、营养目标与资源环境双重约束的粮食供给优化、新技术支撑下粮食绿色控制与系统治理、新时代面向国民营养与粮食安全...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：基于微分对策理论的航天器"追-逃-防"博弈控制策略研究
微分对策理论 航天器"追-逃-防" 博弈控制
2023/4/24
微分博弈是研究航天器轨道追逃问题的理论基础，最早应用于具有自主决策能力的双方完全信息追逃博弈的交战场景中。本报告将上述场景拓展为包括追击者、逃避者和防御者（追-逃-防）的三方完全信息博弈制导情形，首先介绍了一种基于微分对策理论的航天器三方博弈相对轨道动力学模型，继而阐述了一种利用极值原理的模型求解方法，并通过数值模拟进一步探讨了航天器"追-逃-防"完全信息博弈问题的最优解决方案。
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Optimal planning of degradation-based maintenance strategy
降级 维护策略 优化规划
2023/4/24
The optimal planning of condition-based maintenance strategy based on the degradation process is of great concerned in the past few years. A lifetime delayed degradation process with heterogenous degr...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：对抗性博弈的技术实现
对抗性 博弈 中国科学院数学与系统科学研究院
2023/4/24
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：对抗性博弈的技术实现。
2022年数据驱动的建模、仿真与优化学术会议在沈阳召开（图）
数据驱动 建模 仿真优化 沈阳
2023/11/12
2022年12月3日~4日，2022年数据驱动的建模、仿真与优化学术会议在沈阳召开。会议由中国仿真学会智能仿真优化与调度专业委员会和沈阳工业大学共同主办，由沈阳工业大学人工智能学院、沈阳工业大学信息科学与工程学院、辽宁省人工智能学会以及沈阳中关村创新中心承办。本次会议旨在围绕大数据、人工智能、智能建模、仿真优化、智能优化、调度优化等方向，为我国数据驱动的建模、仿真与优化相关领域的专家、学者开展前沿...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Real-time tool path planning using deep learning for subtractive manufacturing
深度学习 减材制造 实时刀具 路径规划
2023/4/25
Tool path planning is a crucial factor of computer-aided design and manufacturing (CAD/CAM). To generate suitable tool paths, the previous methods often transform the problem into local or global opti...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Optimization models and approaches for strictly correlated electrons
严格 相关电子 优化模型 方法
2023/4/25
In electronic structure calculations, Kohn-Sham equations rank among the most widely adopted mathematical models. However, due to the deficiency of available approximations for exchange-correlation en...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Implementation of personalized optimization via the HEI algorithm
HEI算法 个性化 优化
2023/4/26
Unlike traditional robust optimization, personalized optimization aims to find the values of control variables that yield the optimal value of the objective function for given values of environmental ...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：现代交通与物流中的运筹学实践
现代交通 物流 运筹学
2023/4/26
本次报告结合报告人团队在实践中的经验，探讨了地铁的乘务排班与智能运维，邮政的邮路规划与路由优化，高铁运行图的规划与设计，航空中的换发备发管理与调度优化，物流与供应链的选址优化等问题中的特点与难点，建模与算法解决方案。
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：On the Turán number of theta graphs
θ图 图兰数 图论
2023/4/26
Turán-type problem may be one of central problems in extremal graph theory. Particularly, the Turán number of a cycle attracts much attention. In this talk, we introduce a terminology, that is, theta ...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：致密油藏数值模拟技术及生产优化理论
致密油藏 数值模拟技术 生产优化理论
2023/4/26
非常规油气开发进入攻坚阶段，围绕致密油气储层非线性流动系统建模和生产优化等问题，介绍多重关联介质耦合流动模拟方法、不同流动空间分离建模和流动分级耦合多尺度数值模拟方法；同时，对自主研发的随机单纯形近似梯度方法（StoSAG）进行介绍，该方法可以用于考虑致密油气藏地质不确定性的生产优化。
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：An introduction to the Hypergraph Regularity Lemma and its Applications 3
超图 规律性引理 超图正则引理 汉密尔顿循环
2023/4/26
In this talk, we give an example to illustrate how to use the hypergraph regularity lemmas. The absorbing method due to R?dl, Schacht and Szemerédi is a powerful tool in proving hypergraph Hamilton cy...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：An introduction to the Hypergraph Regularity Lemma and its Applications 2
超图 规律性引理 超图正则引理 汉密尔顿循环
2023/4/26
In this talk, we first introduce the definitions of equitable partitions and state the hypergraph regularity lemma due to R?dl and Schacht. Then, we give the conception of reduced hypergraphs and its ...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Optimal semi-supervised subsampling via predictive inference
预测推理 最优 半监督子采样
2023/4/26
In big data era, subsampling or sub-data selection techniques are often adopted to extract a fraction of informative individuals from the massive data. Existing subsampling algorithms focus mainly on ...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Inverse Problems on Piezoelectric Equations
压电方程 反问题 狄利克雷 诺依曼映射 有限子域
2023/4/26
In this talk, recent progress on inverse problems for piezoelectric equations is discussed. We show a uniqueness result on recovering coefficients of piecewise homogeneous piezoelectric equations from...