搜索结果: 31-45 共查到“会议中心 运筹学”相关记录239条 . 查询时间(1.203 秒)
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Who Shares Risk with Whom？A Dynamic Network Game Analysis
分担风险 动态网络 博弈分析
2023/4/18
We investigate informal risk sharing using a dynamic network game model. In each round, a randomly selected agent experiences a negative shock, and the agent's friends decide whether to provide assist...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Improved Approximation Ratios of Fixed-Price Mechanisms in Bilateral Trades
双边贸易 固定价格机制 近似比率
2023/4/18
We study the performance of fixed-price mechanisms in the bilateral trade problem. We improve the approximation ratios of welfare-optimal mechanisms in several settings. In particular, when we have on...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：不完全信息的多智能体系统博弈
不完全信息 多智能体系统 博弈
2023/4/18
不完全信息博弈是当今的研究热点，也是人工智能领域所关注的。本报告主要针在分布式鲁棒博弈、在线博弈、安全博弈等方面介绍我们近年来的研究成果，我们的研究重点主要是在理论上给出严格的均衡分析或策略分析，为了解决相关问题，采用了近似算法、遗憾度分析、超博弈等进行研究，获得有一些有趣的结果。
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：轨道威胁自主规避决策与反馈机制
轨道威胁 自主规避 决策 反馈机制
2023/4/19
从1957年人类第一次发射卫星进入太空，空间目标总数达千万总质量达万吨。太空竞争加剧导致轨道空间日益拥挤, 碰撞风险激增且袭扰增多, 给航天器安全运行带来严峻挑战。报告将探讨太空环境的复杂、动态和不确定性给轨道威胁自主规避决策带来的一些控制问题和数学挑战。
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Employment effects in China's dual circulation and firm size heterogeneity
中国双重循环 企业规模 异质性 就业效应
2023/4/19
Based on the newly constructed input-output model that distinguishes firm size categories and the structural decomposition analysis method, this study quantitatively calculates the employment effects ...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Drivers and reduction solutions of food waste
食物浪费 驱动因素 减少解决方案
2023/4/19
In order to understand and identify key issues of food waste and find potential solutions for food waste minimization in food service business, both a questionnaire and a qualitative study were conduc...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Trust and Contracts: Empirical Evidence
信托与合同 经验证据 决策论
2023/4/19
Trust between parties should drive contract design: if parties were suspicious about each others' reaction to unplanned events, they might agree to pay higher costs of negotiation ex ante to complete ...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：数据驱动的旅游决策研究
数据驱动 旅游 决策
2023/4/21
旅游大数据主要包含游客到达量、用户生成数据（如酒店评论，搜索引擎数据等），旅游大数据为旅游研究提供了丰富多样的研究场景。信息技术的发展使得旅游大数据的可用性逐步提高。本研究以旅游大数据为驱动，结合机器学习、自然语言处理等方法，探究多源异构数据对于旅游需求的影响关系，探索疫情前后消费者满意度的变化，研究结论为旅游从业者提供新的管理启示，为旅游业的决策提供理论支撑。
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：
非凸合作聚合博弈 社会最优 分布式 随机退火方法
2023/4/21
This paper designs a distributed stochastic annealing algorithm for non-convex cooperative aggregative games, whose agents' cost functions not only depend on agents' own decision variables but also re...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：运筹学在城市轨道交通应急管理中的应用
运筹学 城市轨道交通 应急管理
2023/4/21
近年来，我国城市轨道交通运营里程、规模快速增大，运营中突发事件频繁发生，导致列车晚点、乘客滞留、车站拥堵等严重后果，对轨道交通系统安全和效率都带来了负面影响，亟需研究面向突发事件应急管控的行车组织管控方法。本研究介绍两种城市轨道交通运营中常用的行车组织优化方法：第一、备车选址与运行图协同优化；第二、考虑小交路折返的运行图实时调整。针对以上两种行车组织优化方法，分别构建了整数规划模型，并分析其背后的...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars： Purity and torsors over Prüfer bases
纯度 扭转器 普吕弗底座
2023/4/23
In algebraic geometry, purity refers to a diverse range of phenomena in which certain invariants or categories associated to geometric objects are insensitive to the removal of closed subsets of large...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Purity and torsors over Prüfer bases
纯度 扭转器 普吕弗底座
2023/4/21
In algebraic geometry, purity refers to a diverse range of phenomena in which certain invariants or categories associated to geometric objects are insensitive to the removal of closed subsets of large...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：华罗庚经济优化理论与马氏链
华罗庚 经济优化理论 马氏链
2023/4/21
我们介绍华老本人的探索和我们的继续。关于前者，概述华老仙逝前的重要更新，该结果不幸沉睡了37年，直到2021年底才被唤醒。关于后续进展，有一次修正、一次再更新和五项新发展：稳定性分析的新方法；产品（产业）等级（排序）；预测与调整；经济结构的优化；重排序与大矩阵主特征值（及前6个）的高效算法。 难得的是：多种变换给出了完全相同的非稳定的时间和产品。早年关于华氏经济崩溃定理的证明基于马氏链的遍历定理，...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：现代交通管理中维修问题的运筹优化实践
现代交通管理 维修问题 运筹优化实践
2023/4/23
本次报告结合报告人团队在实践中的经验，探讨现代交通管理（如地铁、航空）中维修问题的难点，建模方法和算法设计。 如在航空发动机维修的管理优化中，由于航空发动机的维修和租赁管理存在难度大、费用高、周期长、不确定性强的特点，确定性优化方案存在明显的缺陷。报告人设计了基于近似动态规划的算法框架，项目落地后每年可节省期望成本达数千万人民币。
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Worse than imagined: Unidentified virtual water flows in China
中国 不明身份 虚拟水流
2023/4/24
The impact of virtual water flows on regional water scarcity in China had been deeply discussed in previous research. However, these studies only focused on water quantity, the impact of virtual water...