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Asset selection based on high frequency Sharpe ratio 期刊论文
JOURNAL OF ECONOMETRICS, 2022, 卷号: 227, 期号: 1, 页码: 168-188
作者:  Wang, Christina Dan;  Chen, Zhao;  Lian, Yimin;  Chen, Min
收藏  |  浏览/下载：158/0  |  提交时间：2022/04/29
Asset selection  High frequency Sharpe ratio  Ultrahigh dimensional  Serial correlation  Sure screening property  
Stochastic mSQG equations with multiplicative transport noises: White noise solutions and scaling limit 期刊论文
STOCHASTIC PROCESSES AND THEIR APPLICATIONS, 2021, 卷号: 140, 页码: 236-286
作者:  Luo, Dejun;  Zhu, Rongchan
收藏  |  浏览/下载：111/0  |  提交时间：2022/04/02
Modified Surface Quasi-Geostrophic equation  Transport noise  White noise solution  Scaling limit  Weak convergence  
On limiting behavior of stationary measures for stochastic evolution systems with small noise intensity 期刊论文
SCIENCE CHINA-MATHEMATICS, 2020, 卷号: 63, 期号: 8, 页码: 1463-1504
作者:  Chen, Lifeng;  Dong, Zhao;  Jiang, Jifa;  Zhai, Jianliang
收藏  |  浏览/下载：165/0  |  提交时间：2020/09/23
stationary measure  Lyapunov function  limit measure  support  Birkhoff center  stochastic evolution system  
A criterion on a repeller being a null set of any limit measure for stochastic differential equations 期刊论文
SCIENCE CHINA-MATHEMATICS, 2020, 页码: 18
作者:  Chen, Lifeng;  Dong, Zhao;  Jiang, Jifa
收藏  |  浏览/下载：167/0  |  提交时间：2020/05/24
stationary measure  limit measure  support  Lyapunov function  repelling limit cycle  repelling quasi-periodic orbits  
Decomposition formula and stationary measures for stochastic Lotka-Volterra system with applications to turbulent convection 期刊论文
JOURNAL DE MATHEMATIQUES PURES ET APPLIQUEES, 2019, 卷号: 125, 页码: 43-93
作者:  Chen, Lifeng;  Dong, Zhao;  Jiang, Jifa;  Niu, Lei;  Zhai, Jianliang
收藏  |  浏览/下载：206/0  |  提交时间：2020/01/10
Stochastic Lotka-Volterra system  Stationary measure  Ergodicity  Support  Stochastically cyclical oscillation  Turbulence  
A framework to compute page importance based on user behaviors 期刊论文
INFORMATION RETRIEVAL, 2010, 卷号: 13, 期号: 1, 页码: 22-45
作者:  Liu, Yuting;  Liu, Tie-Yan;  Gao, Bin;  Ma, Zhiming;  Li, Hang
收藏  |  浏览/下载：165/0  |  提交时间：2018/07/30
User browsing process  Continuous-time time-homogeneous Markov process  Staying time  BrowseRank  
Two-time-scale Markov chains and applications to quasi-birth-death queues 期刊论文
SIAM JOURNAL ON APPLIED MATHEMATICS, 2005, 卷号: 65, 期号: 2, 页码: 567-586
作者:  Yin, G;  Zhang, HQ
收藏  |  浏览/下载：117/0  |  提交时间：2018/07/30
Markov chain  singular perturbation  countable state space  asymptotic expansion  occupation measure  aggregation  switching diffusion  quasi-birth-death queue