作者： 刘爽¹;，楼元²; （¹北京理工大学数学与统计学院；²上海交通大学数学科学学院）

出处： 中国科学(数学) 2024 第54卷 第3期 P483-514

关键词： 主特征值；时间周期；空间离散；渐近行为；水平集结构

摘要： 本文研究一类时间周期空间离散的特征值问题,旨在探讨时空异质性对其主特征值的影响.将主特征值视为扩散速率和频率的二元函数,本文研究主特征值的各种渐近行为与单调性,并由此刻画其水平集的拓扑结构,相应结果支持了本文研究二阶时间周期抛物算子时提出的部分猜想.当扩散速率和频率都充分大时,本文的结果为关于抛物算 ...

作者： Chen,Lu¹;Lu,Guozhen²;Zhang,Caifeng³; （¹Key Laboratory of Algebraic Lie Theory and Analysis of Ministry of Education, School of Mathematics and Statistics, Beijing Institute of Technology, Beijing, 100081, China;²Department of Mathematics, University of Connecticut, Storrs, 06269, CT, United States;³Department of Applied Mathematics, School of Mathematics and Physics, University of Science and Technology Beijing, Beijing, 100083, China）

出处： Calculus of Variations and Partial Differential Equations 2024 Vol.63 No.1

摘要： In the past few decades, much attention has been paid to the bubbling problem for semilinear Neumann elliptic equations with the critical and subcriti ...

作者： Wang, Yixin¹;Wang, Xin²;Zhao, Bo¹;Ren, Zhixin¹;Yao, Zishuo¹;Wei, Wei³;Wang, Jie¹;Qin, Jinwen¹;Xie, Jing¹;Cao, Minhua¹ （¹Beijing Inst Technol, Beijing Key Lab Photoelect Electrophoton Convers M, Key Lab Cluster Sci, Sch Chem & Chem Engn,Minist Educ China, Beijing 100081, Peoples R China.;²Shangqiu Normal Univ, Coll Chem & Chem Engn, Shangqiu 476000, Henan, Peoples R China.;³Capital Normal Univ, Dept Chem, Beijing 100048, Peoples R China.）

出处： NANO ENERGY 2024 Vol.120

关键词： ELASTIC BAND METHOD; INTERFACES; CONSEQUENCES; TRANSPORT; ANODES

摘要： The lack of precise chemical information of solid-electrolyte interphase (SEI) is a huge obstacle for battery technology breakthroughs. Herein we iden ...

作者： Wang, Bo¹;Lu, Bing¹;Huang, Wenyi¹;Sun, Chao^1,2;Lu, Pingping³ （¹Beijing Inst Technol, Shenzhen Automot Res Inst, Shenzhen, Guangdong, Peoples R China.;²Beijing Inst Technol, Sch Mech Engn, Beijing, Peoples R China.;³Jilin Univ, State Key Lab Automobile Simulat & Control, 5988 Renmin St, Changchun 130022, Jilin, Peoples R China.）

出处： PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART D-JOURNAL OF AUTOMOBILE ENGINEERING 2024

摘要： The instantaneous vehicle turn center is of great significance in the design and analysis of vehicle steering and handling. Due to the influences of v ...

作者： Zhao, Zirui^1,2;Wang, Xiaoli²;Hu, Yanqiang²;Li, Zhihao²;Li, Lizhou²;Ye, Guoyong¹ （¹Zhengzhou Univ Light Ind, Henan Key Lab Intelligent Mfg Mech Equipment, Zhengzhou 450002, Peoples R China.;²Beijing Inst Technol, Dept Mech Engn, Beijing 100081, Peoples R China.）

出处： TRIBOLOGY INTERNATIONAL 2024 Vol.191

关键词： FRICTION

摘要： Compared with lubricating oil, grease can firmly adhere to the lubricated surface without loss even on the vertical surface, which is more conducive t ...

作者： Liu, Bo¹; Wei, Xiaodong^{1, 2}; Sun, Chao^{1, 3}; Wang, Bo³; Huo, Weiwei⁴ （¹National Engineering Research Center of Electric Vehicles, Beijing Institute of Technology, Beijing; 100081, China;²State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body, Hunan University, Changsha, China;³Shenzhen Automotive Research Institute, Beijing Institute of Technology, Shenzhen; 518118, China;⁴School of Mechanical and Electrical, Beijing Information Science and Technology University, Beijing; 100101, China）

出处： International Journal of Hydrogen Energy 2024 P1371-1382

作者： Hu, Jun¹; Shi, Lei² （¹Key Laboratory of Algebraic Lie Theory and Analysis of Ministry of Education, School of Mathematics and Statistics, Beijing Institute of Technology, Beijing; 100081, China;²School of Mathematics and Statistics, Beijing Institute of Technology, Beijing; 100081, China）

出处： arXiv 2024

作者： Ying, Jiahao¹; Cao, Yixin¹; Wang, Bo²; Tang, Wei³; Yang, Yizhe²; Yan, Shuicheng⁴ （¹Singapore Management University, Singapore;²Beijing Institute of Technology, China;³University of Science and Technology of China, China;⁴Skywork AI）

出处： arXiv 2024

作者： Liwen Yang¹;Yuanqing Xia¹;Xiaopu Zhang¹;Lingjuan Ye²;Yufeng Zhan¹; （¹School of Automation, Beijing Institute of Technology, Beijing, China ²School of Mathematics and Statistics, Beijing Institute of Technology, Beijing, China）

出处： IEEE Transactions on Automation Science and Engineering 2024 Vol.21 No.1 P630-641

关键词： Task analysis;Costs;Distribution strategy;Cloud computing;Scheduling algorithms;Dynamic scheduling;Schedules;Neural Network;Optimization Problem;Resource Management;Economic Costs;Neural Network Classifier;Transmission Time;Virtual Machines;Graph Neural Networks;Scheduling Scheme;Scheduling Algorithm;Execution Cost;Scheduling Framework;Nonlinear Function;Resource Constraints;Epigenome;Types Of Tasks;First Category;Time Task;Task Scheduling;Makespan;Task Execution Time;Message Passing;Scheduling Results;Descending Order;Heuristic Algorithm;Graph Topology;Task Prioritization;Rental Prices

摘要： Cloud workflow scheduling is a typical combinatorial optimization problem and becomes more challenging due to the increasing diversity of workflows. H ...

作者： Li, Yunwei¹;Zhong, Ruohan²;Wang, Zhen³;Yu, Manxi⁴;Wu, Yujiao³;Irfan, Muhammad^d,e,f;Hao, Yu^d,e,g,h,i;CAa （¹Graduate School of Education and Institute of Economics of Education, Peking University, Beijing, China;²School of Applied Economics, Renmin University of China, Beijing, China;³School of Mathematics and Statistics, Beijing Institute of Technology, Beijing, China;⁴School of Management and Economics, Beijing Institute of Technology, Beijing, China;⁵Center for Energy and Environmental Policy Research, Beijing Institute of Technology, Beijing, China;⁶Faculty of Management Sciences, Department of Business Administration, ILMA University, Karachi, Pakistan;⁷Beijing Key Laboratory of Energy Economics and Environmental Management, Beijing, China;⁸Sustainable Development Research Institute for Economy and Society of Beijing, Beijing, China;⁹Yangtze Delta Region Academy of Beijing Institute of Technology, Jiaxing, China）

出处： Journal of Environmental Planning and Management 2024 Vol.67 No.1 P25-58

关键词： dynamic threshold model;income gap;inequality of environmental quality;labor productivity;spatial econometrics

摘要： Healthy ecosystems and safe workplaces are not equally distributed across regions and people. Increasingly close economic exchanges domestically and a ...