作者： 杨承莲，徐厚宝 （北京理工大学数学与统计学院）

出处： 数学的实践与认识 2023 第53卷 第9期 P267-276

关键词： 灰色预测；马尔可夫模型；粒子群优化算法；缝宽预测

摘要： 针对具有波动变化的短时间序列,基于灰色理论、马尔可夫理论以及粒子群优化算法,构建了粒子群优化的灰色马尔可夫预测模型.该模型在将马尔可夫链融入灰色预测过程以适应数据波动的基础上,采用粒子群算法优化了马尔可夫预测区间的白化系数,实现了对组合模型预测值的二次修正,从而为波动较大的短时间序列的预测提供了方法 ...

作者： 满浩捷^1,2;，刘聪²;，黄瀚霆²;，杨盛全²;，魏建杰²; （¹北京理工大学数学与统计学院；²新疆大学数学与系统科学学院）

出处： 亚热带资源与环境学报 2023 第18卷 第3期 P119-126

关键词： YOLOv3；胡杨；图像识别；目标检测

摘要： 基于改进的YOLOv3算法与图片属性中的地理信息，提出了一种胡杨检测并确定胡杨分布的新方法。利用OpenCV对无人机拍摄胡杨图像进行增强，基于K-means聚类算法得到先验框最佳尺寸，在保证一定识别精度的前提下，基于特征提取过程提出一种更加适用于胡杨识别的轻量化YOLOv3算法。改进后的YOLOv3 ...

作者： Zheng, Yu-Kai¹; Chen, Wei-Kun²; Li, Qing-Na² （¹School of Mathematics and Statistics, Beijing Institute of Technology, Beijing, China;²School of Mathematics and Statistics, Beijing Key Laboratory on Mcaaci, Beijing Institute of Technology, Beijing, China）

出处： arXiv 2023

作者： Wang, Yixin¹; Li, Qingna^{1, 2} （¹School of Mathematics and Statistics, Beijing Institute of Technology, Beijing, China;²Beijing Key Laboratory on MCAACI, Key Laboratory of Mathematical Theory and Computation in Information Security, Beijing Institute of Technology, Beijing, China）

出处： arXiv 2023

作者： Du, Jie¹; Gu, Haixia²; Li, Zhenhua³; Wan, Jinkui⁴ （¹School of Mathematics and Statistics, University of New South Wales, Sydney; NSW; 2052, Australia;²School of Science, Huzhou University, Huzhou, China;³School of Mathematical Sciences, Xiamen University, Xiamen; 361005, China;⁴School of Mathematics and Statistics, Beijing Institute of Technology, Beijing; 100081, China）

出处： arXiv 2023

作者： Ehrig,Michael¹;Gan,Kaixuan¹; （¹School of Mathematics and Statistics, Beijing Institute of Technology, Beijing, 102488, China）

出处： Beijing Ligong Daxue Xuebao/Transaction of Beijing Institute of Technology 2023 Vol.43 No.8 P878-884

摘要： A celebrated construction of the natural representation of the quantized affine algebra Uv(bslℓ) is the Fock space by Misra and Miwa. This relates the ...

作者： Zhang,Jie¹;Qi,Xi¹; （¹School of Mathematics and Statistics, Beijing Institute of Technology, Beijing, 102400, China）

出处： Beijing Ligong Daxue Xuebao/Transaction of Beijing Institute of Technology 2023 Vol.43 No.5 P534-539

摘要： Considering a (2n+2)-polygon P, a geometric realization was proposed for cluster algebra B of type B. As an application, a cluster expansion formula w ...

作者： Hu,Jun¹;Mathas,Andrew²;Rostam,Salim³; （¹School of Mathematics and Statistics, Beijing Institute of Technology, Beijing, 100081, China;²School of Mathematics and Statistics, University of Sydney, 2006, NSW, Australia;³Univ. Rennes, CNRS, IRMAR - UMR 6625, Rennes, F-35000, France）

出处： Representation Theory 2023 Vol.27 P508-573

摘要： This paper introduces (graded) skew cellular algebras, which generalise Graham and Lehrers cellular algebras. We show that all of the main results fro ...

作者： Jiake Sun，Junmin Wang （School of Mathematics and Statistics Beijing Institute of Technology）

出处： 第35届中国控制与决策会议 2023

会议录： 第35届中国控制与决策会议

关键词： fractional-order cascaded system；backstepping method；sliding mode control；input-to-state stability

摘要： In this paper,we consider the input-to-state stabilization of a fractional-order ODE-PDE cascaded system with disturbances in all channels.By applying ...

作者： Shi, Wei¹; （¹School of Mathematics and Statistics, Beijing Institute of Technology, Beijing, 100081, China）

出处： Boundary Value Problems 2023 Vol.2023 No.1

摘要： In this paper, we present necessary conditions for the existence of weak solution of the parabolic-type equations and systems on the Heisenberg group. ...