Zobrazeno 1 - 10
of 370
pro vyhledávání: '"Guo, YiFeng"'
It is an important task to model realized volatilities for high-frequency data in finance and economics and, as arguably the most popular model, the heterogeneous autoregressive (HAR) model has dominated the applications in this area. However, this m
Externí odkaz:
http://arxiv.org/abs/2303.02896
The long acquisition time has limited the accessibility of magnetic resonance imaging (MRI) because it leads to patient discomfort and motion artifacts. Although several MRI techniques have been proposed to reduce the acquisition time, compressed sen
Externí odkaz:
http://arxiv.org/abs/2302.10309
Publikováno v:
J.Am.Stat.Assoc. 0 (2022) 1-31
The expanding number of assets offers more opportunities for investors but poses new challenges for modern portfolio management (PM). As a central plank of PM, portfolio selection by expected utility maximization (EUM) faces uncontrollable estimation
Externí odkaz:
http://arxiv.org/abs/2209.13794
Autor:
Guo, Yifeng
This dissertation studies topics in the areas of information in financial markets. In the first chapter, Should Information be Sold Separately? Evidence from MiFID II, we examine whether selling information separately improves its production. We use
Autor:
Guo, Yifeng1 (AUTHOR) guobujia2000@163.com, He, Min2 (AUTHOR) hemin@hzxy.edu.cn, Tong, Xubin1 (AUTHOR), Zhang, Min2 (AUTHOR), Huang, Limin1 (AUTHOR)
Publikováno v:
Sensors (14248220). Sep2024, Vol. 24 Issue 18, p6014. 21p.
Autor:
Sun, Zhonghao, Xia, Zhibin, Zhang, Mingliang, Guo, Yifeng, Ma, Chengkuan, Deng, Guodong, Zheng, Tianxiang, Shen, Zhe, Ding, Biao, Li, Qiang, Liu, Chunmei, Zhong, Yunbo
Publikováno v:
In Journal of Materials Research and Technology May-June 2024 30:5219-5231
Autor:
Liang, Yuanxin, Luo, Boyi, Zhao, Lun, Chen, Liangguo, Ding, Biao, Shen, Zhe, Zheng, Tianxiang, Guo, Yifeng, Li, Qiang, Zhou, Bangfei, Liu, Chunmei, Brnic, Josip, Ren, Weili, Zhong, Yunbo
Publikováno v:
In Separation and Purification Technology 1 February 2024 330 Part C
Autor:
Zhao, Lun, Chen, Liangguo, Luo, Boyi, Liang, Yuanxin, Shi, Junqi, Zhang, Shunran, Lin, Zhongze, Shi, Peijian, Zheng, Tianxiang, Zhou, Bangfei, Guo, Yifeng, Li, Qiang, Liu, Chunmei, Shen, Zhe, Ding, Biao, Zhong, Yunbo
Publikováno v:
In Materials Science & Engineering A January 2024 889
Autor:
Guo, Yifeng1 (AUTHOR), Huang, Limin1 (AUTHOR) hlmsn155@163.com, Zhang, Min2 (AUTHOR), He, Min2 (AUTHOR), Zhong, Bin1 (AUTHOR), Fan, Dakun1 (AUTHOR)
Publikováno v:
PLoS ONE. 5/2/2024, Vol. 19 Issue 5, p1-25. 25p.
In recent years, the field of recommendation systems has attracted increasing attention to developing predictive models that provide explanations of why an item is recommended to a user. The explanations can be either obtained by post-hoc diagnostics
Externí odkaz:
http://arxiv.org/abs/2012.08196