北京理工大学数学与统计学院成立于2011年6月,原名为北京理工大学数学学院,2013年10月更名为北京理工大学数学与统计学院,学院前身是北京理工大学理学院数学系。北京理工大学数学与统计学院是培养高水平基础研究和应用基础研究数学人才和统计学人才的基地。1981年获批国务院学位委员会首批应用数... [详细]
作者: Ling Juan YE,Li Ning JIANG (School of Mathematics and Statistics,Beijing Institute of Technology,Beijing 100081,P. R. China)
出处: 数学学报(英文版) 2020 第36卷 第7期 P749-764
关键词: algebra.;O_n;REPRESENTATION
摘要: Suppose that O_n(2 ≤ n ≤∞) is a Cuntz algebra. There exists a number 1 ≤ k(π, Ω) ≤∞such that if the cyclic representations(H, π, Ω) and(H, π, Ω) of th ...
作者: 曹春雷1;王跃飞2,3; (1School of Mathematics and Statistics, Beijing Institute of Technology;2College of Mathematics and Statistics, Shenzhen University;3Academy of Mathemtics and Systems Sciences, Chinese Academy of Sciences)
出处: Acta Mathematica Scientia 2020 第40卷 第4期 P903-909
关键词: Fatou;set;Julia;set;transcendental;analytic;map;free;Jordan;arc
摘要: In 1965 Baker first considered the distribution of Julia sets of transcendental entire maps and proved that the Julia set of an entire map cannot be c ...
作者: Jing WANG,Yonggang LI,Huafei SUN (School of Information,Beijing Wuzi University;College of Science,Zhengzhou University of Aeronautics;School of Mathematics and Statistics,Beijing Institute of Technology;Beijing Key Laboratory on MCAACI)
出处: Acta Mathematica Scientia 2020 第40卷 第3期 P659-669
关键词: Lie-Trotter;formula;reciprocal;Lie-Trotter;formula;Hadamard;product;positive-definite;matrix
摘要: Suppose that A and B are two positive-definite matrices, then, the limit of(A p/2 B p A p/2 ) 1/p as p tends to 0 can be obtained by the well known L ...
作者: Xiaomin DUAN,Huafei SUN,Linyu PENG (School of Science,Dalian Jiaotong University;School of Mathematics and Statistics,Beijing Institute of Technology;Waseda Institute for Advanced Study,Waseda University)
出处: Science China(Information Sciences) 2020 第63卷 第5期 P176-186
关键词: system;control;Riemannian;gradient;algorithm;natural;gradient;algorithm;Karcher;mean;Toeplitz;positive;definite;Hermitian;matrix
摘要: In this paper, the Riemannian gradient algorithm and the natural gradient algorithm are applied to solve descent direction problems on the manifold of ...
作者: Yuxing Deng,Xiaohua Zhu (School of Mathematics and Statistics,Beijing Institute of Technology;School of Mathematical Sciences and BICMR,Peking University)
出处: Science China(Mathematics) 2020 第63卷 第1期 P135-154
关键词: Ricci;flow;steady;Ricci;solitons;rotational;symmetry
摘要: In this paper,we study steady Ricci solitons with a linear decay of sectional curvature.In particular,we give a complete classification of 3-dimension ...
作者: 姚志香 (北京理工大学数学与统计学院)
出处: 青春岁月 2020 第29期 P412
关键词: 高校教工党支部;凝聚力;匹配理论;建设
摘要: 随着现阶段我国经济文化的快速发展,高校已经成为我国人才的重要培养基地,同时高校内部的教工党支部作为党在高校内部的基层组织,因此高校教工党支部是开展党建工作中的重要环节.本文作者便主要基于高校教工党支部凝聚力研究的基础上,对高校党支部匹配理论与凝聚力建设进行深入阐述,然后再分析了现阶段高校教工党支部凝 ...
作者: 高娃,Juefei Zhou (北京理工大学数学与统计学院;Ontario Tech University Canada)
出处: 智能城市 2020 第6卷 第13期 P1-3
关键词: 智慧城市;京津冀一体化;主成分分析
摘要: 为实证分析京津冀一体化中智慧城市发展水平,构建了包括经济水平、环境治理、基础设施、科技创新和信息产业等5个一级指标和16个二级指标的评价指标体系,应用主成分法对北京、天津及河北的石家庄、张家口、秦皇岛和沧州6个城市的2018年统计年鉴中的相关数据进行实证分析,得出智慧城市发展水平的综合性因子、经济因 ...
作者: Dong, Zhao1; Zhang, Rangrang2; Zhang, Tusheng3 (1RCSDS, Academy of Mathematics and Systems Science, Chinese Academy of Sciences, Beijing; 100190, China;2School of Mathematics and Statistics, Beijing Institute of Technology, Beijing; 100081, China;3School of Mathematics, University of Manchester, Oxford Road, Manchester; M13 9PL, United Kingdom)
出处: arXiv 2020
作者: Lu, Si-Tong1; Zhang, Miao1; Li, Qing-Na2 (1School of Mathematics and Statistics, Beijing Institute of Technology, Beijing; 100081, China;2School of Mathematics and Statistics, Beijing Key Laboratory on MCAACI, Beijing Institute of Technology, Beijing; 100081, China)
出处: Computational Optimization and Applications 2020 Vol.76 No.2 P535-569
作者: Zhang, Rangrang1 (1School of Mathematics and Statistics, Beijing Institute of Technology, Beijing; 100081, China)
出处: arXiv 2020