Zobrazeno 1 - 10
of 237
pro vyhledávání: '"Chunwei WANG"'
Publikováno v:
AIMS Mathematics, Vol 9, Iss 9, Pp 24039-24057 (2024)
We mainly studied the dividend payout with a two-sided jumps risk model under random observation. The two-sided jumps in the model represent random claims and random returns. First, we obtained the integral differential equation of the expected divid
Externí odkaz:
https://doaj.org/article/2c219a84133442a587e23e6ce1723985
Publikováno v:
AIMS Mathematics, Vol 9, Iss 5, Pp 10893-10910 (2024)
In this paper, a classical risk model with liquid reserves and proportional investment is considered, and the expected total discounted dividend before ruin of insurance companies under the threshold dividend strategy is studied. First, the integral
Externí odkaz:
https://doaj.org/article/2a1490c861484b798aef80691a9da1a5
Publikováno v:
AIMS Mathematics, Vol 9, Iss 1, Pp 2032-2050 (2024)
In this paper, an investment risk model with bilateral jumps was considered, assuming the insurer invested the surplus in two types of assets, namely, risk-free and risky ones, in a certain proportion. First, the integral-differential equations of th
Externí odkaz:
https://doaj.org/article/c2b365fdedfa4bd79538497ded2a8d62
Publikováno v:
Shiyou shiyan dizhi, Vol 45, Iss 6, Pp 1221-1230 (2023)
Deep and normal-pressure shale gas is the key field of shale gas exploration and development of SINOPEC. At present, this type of shale gas is faced with difficulties in the beneficial development. In order to increase the productivity of single well
Externí odkaz:
https://doaj.org/article/9ebdc3189acf4eef9968fd9869fdf7d2
Publikováno v:
AIMS Mathematics, Vol 8, Iss 9, Pp 22301-22318 (2023)
In this paper, we consider a two-sided jumps risk model with proportional investments and random observation periods. The downward jumps represent the claim while the upward jumps represent the random returns. Suppose an insurance company invests all
Externí odkaz:
https://doaj.org/article/20fea68ce04243bca3b08622bb3c93a8
Publikováno v:
Symmetry, Vol 16, Iss 5, p 612 (2024)
In order to deal with complex risk scenarios involving claims, uncertainty, and investments, we consider the ruin problems in a compound Poisson risk model with liquid reserves and proportional investments and study the expected discounted penalty fu
Externí odkaz:
https://doaj.org/article/c644cfd2cf014eefad08a59876a71617
Autor:
Xingyu Yue, Chunwei Wang, Bo Zhang, Zeyu Zhang, Zhuang Xiong, Xinzhi Zu, Zhengzheng Liu, Zhiping Hu, George Omololu Odunmbaku, Yujie Zheng, Kuan Sun, Juan Du
Publikováno v:
Nature Communications, Vol 14, Iss 1, Pp 1-6 (2023)
Polaron formation is considered to play a crucial role to enhance photoelectric performance of hybrid halide perovskites. Here, the authors report the real-time observation of polaron formation process by terahertz emission spectroscopy and reveal tw
Externí odkaz:
https://doaj.org/article/13b8883fa9914db1a9cca1d2485c2d71
Autor:
Quanzhong Xu, Chunwei Wang, Lequn Wang, Rui Feng, Yulin Guo, Shuang Feng, Liguo Zhang, Zhong Zheng, Guanghua Su, Lifen Fan, Chao Bian, Li Zhang, Xiaohu Su
Publikováno v:
BMC Veterinary Research, Vol 18, Iss 1, Pp 1-11 (2022)
Abstract Background The establishment of non-invasive diagnostic method for multiple ovulation prediction is helpful to improve the efficiency of multiple ovulation. The blood hormones and metabolites would be suitable indexes for this subject. Metho
Externí odkaz:
https://doaj.org/article/e22ef2a035e641dc9cb83e5ed0fd9af7
Autor:
Yintao Ye, Wei Zhong, Junqiang Qian, Jie Zhang, Tingting Xu, Ruyi Han, Jiangeng Han, Chunwei Wang, Lichao Song, Xianwei Zeng, Hong Wang
Publikováno v:
Frontiers in Cell and Developmental Biology, Vol 11 (2023)
Background: Glioblastoma multiforme (GBM) is the most common and invasive primary central nervous system tumor. The prognosis after surgery, radiation and chemotherapy is very poor. Bromodomain (BRD) proteins have been identified in oncogenic rearran
Externí odkaz:
https://doaj.org/article/1e7287b2af944677a40b3a5bc3c061a2
Publikováno v:
Animal Bioscience, Vol 34, Iss 4, Pp 714-723 (2021)
Objective This study aimed to determine the effects of soft pellet creep feed (SPCF) on growth performance and intestinal development in piglets. Methods A total of 18 sows and their litters of crossbred piglets (14±2 days, 3.73±0.72 kg) were assig
Externí odkaz:
https://doaj.org/article/60d5364db1214ed1bdea1144a0bef209