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A Minibatch Proximal Stochastic Recursive Gradient Algorithm Using a Trust-Region-Like Scheme and Barzilai-Borwein Stepsizes 期刊论文
IEEE TRANSACTIONS ON NEURAL NETWORKS AND LEARNING SYSTEMS, 2021, 卷号: 32, 期号: 10, 页码: 4627-4638
作者:  Yu, Tengteng;  Liu, Xin-Wei;  Dai, Yu-Hong;  Sun, Jie
收藏  |  浏览/下载：156/0  |  提交时间：2022/04/02
Convergence  Convex functions  Risk management  Gradient methods  Learning systems  Sun  Barzilai-Borwein (BB) method  empirical risk minimization (ERM)  proximal method  stochastic gradient  trust-region  
Higher order difference operators and uniqueness of meromorphic functions 期刊论文
ANALYSIS AND MATHEMATICAL PHYSICS, 2021, 卷号: 11, 期号: 2, 页码: 13
作者:  Fang, Mingliang;  Wang, Yuefei
收藏  |  浏览/下载：212/0  |  提交时间：2021/06/01
Meromorphic functions  Value distribution  Borel exceptional values  Differences  
Dual-density-based reweighted l(1)-algorithms for a class of l(0)-minimization problems 期刊论文
JOURNAL OF GLOBAL OPTIMIZATION, 2021, 页码: 24
作者:  Xu, Jialiang;  Zhao, Yun-Bin
收藏  |  浏览/下载：198/0  |  提交时间：2021/06/01
Merit functions for sparsity  l(0)-minimization  Dual-density-based algorithm  Strict complementarity  Bilevel optimization  Convex relaxation  
Structure-Preserving Numerical Methods for Stochastic Poisson Systems 期刊论文
COMMUNICATIONS IN COMPUTATIONAL PHYSICS, 2021, 卷号: 29, 期号: 3, 页码: 802-830
作者:  Hong, Jialin;  Ruan, Jialin;  Sun, Liying;  Wang, Lijin
收藏  |  浏览/下载：156/0  |  提交时间：2021/04/26
Stochastic Poisson systems  Poisson structure  Casimir functions  Poisson integrators  symplectic integrators  generating functions  stochastic rigid body system  
Do credit conditions matter for the impact of oil price shocks on stock returns? Evidence from a structural threshold VAR model 期刊论文
INTERNATIONAL REVIEW OF ECONOMICS & FINANCE, 2021, 卷号: 72, 页码: 1-15
作者:  Jiang, Yong;  Wang, Gang-Jin;  Ma, Chaoqun;  Yang, Xiaoguang
收藏  |  浏览/下载：157/0  |  提交时间：2021/04/26
Oil price shocks  Stock returns  Credit regimes  Structure threshold VAR  Nonlinear impulse response functions  
Gevrey genericity of Arnold diffusion in a priori unstable Hamiltonian systems 期刊论文
Nonlinearity, 2021, 卷号: 34, 期号: 1
作者:  Chen,Qinbo;  Cheng,Chong-Qing
收藏  |  浏览/下载：152/0  |  提交时间：2021/04/26
Arnold diffusion  genericity  Gevrey functions  a priori unstable  primary 37J40  37J50  
A well-conditioned and efficient implementation of dual reciprocity method for Poisson equation 期刊论文
AIMS MATHEMATICS, 2021, 卷号: 6, 期号: 11, 页码: 12560-12582
作者:  Khan, Suliman;  Khan, M. Riaz;  Alqahtani, Aisha M.;  Shah, Hasrat Hussain;  Issakhov, Alibek;  Shah, Qayyum;  EI-Shorbagy, M. A.
收藏  |  浏览/下载：124/0  |  提交时间：2022/04/02
dual reciprocity method  multiquadrics  compactly supported radial basis functions  stability analysis  condition number  Poisson equation