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The relationship between geopolitical risk and crude oil prices: evidence from nonlinear and frequency domain causality tests 期刊论文
SPANISH JOURNAL OF FINANCE AND ACCOUNTING-REVISTA ESPANOLA DE FINANCIACION Y CONTABILIDAD, 2022, 页码: 23
作者:  Jiang, Yong;  Ren, Yi-Shuai;  Yang, Xiao-Guang;  Ma, Chao-Qun;  Weber, Olaf
收藏  |  浏览/下载:55/0  |  提交时间:2023/02/07
Geopolitical risk  oil prices  nonlinear analysis  Granger causality  frequency domain  
Gradient-free algorithms for distributed online convex optimization 期刊论文
ASIAN JOURNAL OF CONTROL, 2022, 页码: 18
作者:  Liu, Yuhang;  Zhao, Wenxiao;  Dong, Daoyi
收藏  |  浏览/下载:69/0  |  提交时间:2023/02/07
distributed algorithm  gradient-free algorithm  multiagent system  online convex optimization  
Data-driven soliton mappings for integrable fractional nonlinear wave equations via deep learning with Fourier neural operator 期刊论文
CHAOS SOLITONS & FRACTALS, 2022, 卷号: 165, 页码: 14
作者:  Zhong, Ming;  Yan, Zhenya
收藏  |  浏览/下载:68/0  |  提交时间:2023/02/07
Integrable fractional nonlinear wave equations  Fourier neural operator  Deep learning  Data-driven soliton mapping  Activation function  Channel of fully-connected layer  
Financial hedging in two-stage sustainable commodity supply chains 期刊论文
EUROPEAN JOURNAL OF OPERATIONAL RESEARCH, 2022, 卷号: 303, 期号: 2, 页码: 803-818
作者:  Wang, Moran;  Guo, Xiaolong;  Wang, Shouyang
收藏  |  浏览/下载:55/0  |  提交时间:2023/02/07
Risk analysis  Financial hedging  Index-based price contract  Sustainable supply chain management  Competition  
A novel deep learning approach for tourism volume forecasting with tourist search data 期刊论文
INTERNATIONAL JOURNAL OF TOURISM RESEARCH, 2022, 页码: 15
作者:  Li, Mingchen;  Zhang, Chengyuan;  Sun, Shaolong;  Wang, Shouyang
收藏  |  浏览/下载:56/0  |  提交时间:2023/02/07
bi-directional gated recurrent unit  search engine data  stacked autoencoders  tourism volume forecasting  
New integrable multi-Levy-index and mixed fractional nonlinear soliton hierarchies 期刊论文
CHAOS SOLITONS & FRACTALS, 2022, 卷号: 164, 页码: 6
作者:  Zhenya Yan
收藏  |  浏览/下载:67/0  |  提交时间:2023/02/07
Multi-Levy-index and mix-index fractional soliton hierarchy  Integrable fractional system  Anomalous dispersion relation  Inverse scattering  Riemann-Hilbert problem  Solitons  
The C*-algebra index for observable algebra in non-equilibrium Hopf spin models 期刊论文
ANNALS OF FUNCTIONAL ANALYSIS, 2022, 卷号: 13, 期号: 4, 页码: 13
作者:  Wei, Xiaomin;  Jiang, Lining
收藏  |  浏览/下载:52/0  |  提交时间:2023/02/07
Observable algebra  Quantum double  Quasi-basis  Index  
Optimal Holder continuity and hitting probabilities for SPDEs with rough fractional noises 期刊论文
JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS, 2022, 卷号: 512, 期号: 1, 页码: 21
作者:  Hong, Jialin;  Liu, Zhihui;  Sheng, Derui
收藏  |  浏览/下载:61/0  |  提交时间:2023/02/07
Stochastic partial differential equation  Fractional Brownian sheet  Hurst index H < 1/2  Holder exponent  Hitting probability  
Variable screening for varying coefficient models with ultrahigh-dimensional survival data 期刊论文
COMPUTATIONAL STATISTICS & DATA ANALYSIS, 2022, 卷号: 172, 页码: 12
作者:  Qu, Lianqiang;  Wang, Xiaoyu;  Sun, Liuquan
收藏  |  浏览/下载:84/0  |  提交时间:2023/02/07
Kernel smoothing  Survival data  Ultrahigh dimensionality  Variable screening  Varying coefficient  
Economic exposure to regional value chain disruptions: evidence from Wuhan's lockdown in China 期刊论文
REGIONAL STUDIES, 2022, 页码: 12
作者:  Tian, Kailan;  Zhang, Zhuoying;  Zhu, Lingxiu;  Yang, Cuihong;  He, Jianwu;  Li, Shantong
收藏  |  浏览/下载:77/0  |  提交时间:2023/02/07
economic exposure  Covid-19  input-output model  regional value chains  disaster impact analysis