作者： Fei Wang;Jun-Min Wang;Pei-Pei Wang （¹School of Basic Education, Beijing Institute of Graphic Communication, Beijing, 102600, PR China;²School of Mathematics and Statistics & Key Laboratory of Mathematical Theory and Computation in Information Security, Beijing Institute of Technology, Beijing 100081, PR China;³Mathematics Department, Taiyuan Normal University, Jinzhong, Shanxi, 030619, PR China）

出处： Journal of Mathematical Analysis and Applications 2023 Vol.525 No.2 P127143

关键词： Chaos;2D wave equation;Method of characteristics;Energy dissipation boundary condition

摘要： In this paper, we consider the chaotic dynamical behavior of a two-dimensional wave equation due to an energy-injecting boundary condition and an ener ...

作者： Wu,Xiao-Hui¹;Wang,Jun-Min¹;Kang,Wen¹; （¹The School of Mathematics and Statistics & Key Laboratory of Mathematical Theory and Computation in Information Security, Beijing Institute of Technology, Beijing, 100081, China）

出处： Systems and Control Letters 2023 Vol.175

摘要： In this work, we study the output tracking problem of an Euler–Bernoulli beam subject to non-collocated boundary controls and harmonic disturbances wi ...

作者： Gao,Shan¹;Shi,Donghua¹;Zenkov,Dmitry V.²; （¹Beijing Key Laboratory on MCAACI, School of Mathematics and Statistics, Beijing Institute of Technology, Beijing, 100081, China;²Department of Mathematics, North Carolina State University, Raleigh, 27695, NC, United States）

出处： Journal of Nonlinear Science 2023 Vol.33 No.2

摘要： Exact variational integrators were exposed in the context of Lagrangian mechanics in Marsden and West (2001). These integrators sample the trajectorie ...

作者： Yang,Jing¹;Chen,Goong²³⁴;Wei,Chunqiu⁵;Sergeev,Alexey²;Huang,Jingtong²;Scully,Matthew M.²;Krantz,Steven G.⁶;Yao,Pengfei⁷⁸;Guo,Tiexin⁹;Wang,Junmin¹;Chen,Ming-Chieh¹⁰;Corti,Darrell¹¹; （¹School of Mathematics and Statistics, Beijing Institute of Technology, Beijing, 102488, China;²Department of Mathematics, Texas A &M University, College Station, 77843, TX, United States;³Institute for Quantum Science and Engineering, Texas A &M University, College Station, 77843, TX, United States;⁴Hsinchu Branch, National Center for Theoretical Sciences, National Tsing Hua University, Hsinchu, Taiwan;⁵Department of Mathematics and Data Science, Beijing University of Civil Engineering and Architecture, Beijing, 100044, China;⁶Department of Mathematics, Washington University at St. Louis, St. Louis, 63130, MO, United States;⁷Key Laboratory of Complex Systems and Data Science of Ministry of Education, School of Mathematics, Shanxi University, Shanxi, Taiyuan, 030006, China;⁸Institute of Systems Science, Academy of Mathematics and Systems Science, Academia Sinica, Beijing, 100190, China;⁹School of Mathematics and Statistice, Central South University, Hunan, Changsha, 410075, China;¹⁰Department of Mechanical Engineering, Cheng Shiu University, Kaohsiung, Taiwan;¹¹Corti Brothers, 5810 Folsom Blvd., Sacramento, 95819, CA, United States）

出处： Journal of Geometric Analysis 2023 Vol.33 No.10

摘要： This paper contains more varieties of animals, including the giraffe, bird species duck, goose and eagle, and the T-Rex dinosaur. They range across ma ...

作者： Miao,Qianyun¹;Peng,Fa²;Zhou,Yuan³; （¹School of Mathematics and Statistics, Beijing Institute of Technology, Beijing, 100081, China;²Academy of Mathematics and Systems Science, The Chinese Academy of Sciences, Beijing, 100190, China;³School of Mathematical Sciences, Beijing Normal University, Haidian District, Xinejikou Waidajie, No. 19, Beijing, 100875, China）

出处： Calculus of Variations and Partial Differential Equations 2023 Vol.62 No.7

摘要： Let Ω ⊂ Rn be a bounded convex domain with n≥ 2 . Suppose that A is uniformly elliptic and belongs to W1,n when n≥ 3 or W1,q for some q> 2 when n= 2 . ...

作者： Huang,Xiaoqi¹;Zhang,Junyong²; （¹Department of Mathematics, University of Maryland, College Park, 20742, MD, United States;²Department of Mathematics, Beijing Institute of Technology, Beijing, 100081, China）

出处： Journal of Geometric Analysis 2023 Vol.33 No.9

摘要： Let (X, g) be a product cone with the metric g= dr2+ r2h , where X= C(Y) = (0 , ∞) r× Y and the cross section Y is a (n- 1) -dimensional closed Rieman ...

作者： Shen,Hao¹;Zhu,Rongchan²;Zhu,Xiangchan³; （¹Department of Mathematics, University of Wisconsin–Madiso, United States;²Department of Mathematics, Beijing Institute of Technology, China;³Academy of Mathematics and Systems Science, Chinese Academy of Sciences, China）

出处： Annals of Applied Probability 2023 Vol.33 No.4 P2600-2642

摘要： In this paper we study the perturbation theory of Φ42 model on the whole plane via stochastic quantization. We use integration by parts formula (i.e., ...

作者： Zhang,Hualei¹;Zhang,Qiong²; （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： Zeitschrift fur Angewandte Mathematik und Physik 2023 Vol.74 No.4

摘要： In this paper, we consider the stabilization of a one-dimensional system of type II thermoelasticity with voids, which consists of two wave equations ...

作者： Zhang,Ye¹²; （¹School of Mathematics and Statistics, Beijing Institute of Technology, No. 5, South Street, Zhongguancun, Haidian District, Beijing, 100081, China;²Faculty of Computational Mathematics and Cybernetics, Shenzhen MSU-BIT University,¹International University Park Road, Longgang District, Shenzhen, 518172, China）

出处： Calcolo 2023 Vol.60 No.1

摘要： Accelerated regularization algorithms for ill-posed problems have received much attention from researchers of inverse problems since the 1980s. The cu ...

作者： Wang,David G.L.¹;Wang,Monica M.Y.²; （¹School of Mathematics and Statistics & Beijing Key Laboratory on MCAACI, Beijing Institute of Technology, Key Laboratory of Mathematical Theory and Computation in Information Security, Ministry of Industry and Information Technology, Beijing, 102400, China;²School of Mathematical Sciences, Capital Normal University, Beijing, 100089, China）

出处： Discrete Applied Mathematics 2023 Vol.325 P226-240

摘要： We obtain the e-positivity or non-e-positivity of some spider graphs with three legs, the positivity classification of all broom graphs, and the posit ...