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Ambiguity,limited market participation,and the crosssectional stock return: 《Journal of Management Science and Engineering》2024年第4期522-534,共13页Yefang Yuan Aifan Ling Zhijun Hu; supported by the National Natural Science Foundation of China(NSFC No.72063015,72071098);the Key Research Base Project of Humanities and Social Sciences in Jiangxi Province Universities(JD21050);Fundamental Research Funds for the Central Universities(41004885).; Using expected utility under uncertain probability theory(EUUP,Izhakian,2017,2020),we study whether the ambiguity related to individual stocks is priced in the Chinese A-share market and the mechanism behind the ambig...; 关键词：AMBIGUITY Ambiguity premium Heterogeneity of investor ambiguity aversion Limited market participation

Crowdfunding innovative but risky new ventures:the importance of less ambiguous tone: 《Financial Innovation》2024年第1期3389-3431,共43页Ye Liu Ke Zhang Weili Xue Ziyu Zhou; the financial support from the National Natural Science Foundation of China(72073063,71673133).; Crowdfunding provides a novel and potential way for innovative but risky new ventures to fund their new product development(NPD)projects.To help potential investors evaluate the projects and enhance the credibility of...; 关键词：Innovative new ventures Cleantech Crowdfunding success Tone ambiguity

Multi-GNSS Fusion Real-Time Kinematic Algorithm Based on Extended Kalman Filter Correction Model for Medium-Long Baselines: 《Journal of Shanghai Jiaotong university(Science)》2024年第6期1191-1201,共11页XIA Yang REN Guanghui WAN Yuan MAO Xuchu; In the case of a medium-long baseline, for real-time kinematic (RTK) positioning, the fixed rate of integer ambiguity is low due to the distance between the base station and the observation station. Moreover, the atmo...; 关键词：real-time kinematic(RTK) extended Kalman filter(EKF) BASELINE AMBIGUITY ionospheric delay tropospheric delay

Financial ambiguity and oil prices: 《Financial Innovation》2024年第1期575-597,共23页Mahmoud Ayoub Mahmoud Qadan; Recent theoretical developments in economics distinguish between risk and ambiguity(Knightian uncertainty).Using state-of-the-art methods with intraday stock market data from February 1993 to February 2021,we derive f...; 关键词：AMBIGUITY Oil prices RISK Knightian uncertainty OVX

Low-Complexity Integrated Super-Resolution Sensing and Communication with Signal Decimation and Ambiguity Removal: 《ZTE Communications》2024年第3期48-55,共8页DAI Qianglong ZHOU Zhiwen XIAO Zhiqiang ZENG Yong YANG Fei CHEN Yan; supported by the National Natural Science Foundation of China under Grant No.62071114.; Integrated sensing and communication(ISAC)is one of the main usage scenarios for 6G wireless networks.To most efficiently utilize the limited wireless resources,integrated super-resolution sensing and communication(IS...; 关键词：ISSAC sparse decimation range ambiguity two-stage approach

Multiple integer candidates ambiguity resolution:a unification ambiguity resolution algorithm: 《Satellite Navigation》2024年第3期119-130,共12页Shengfeng Gu Lizhe Fang Weiping Jiang; National Natural Science Foundation of China,42174029,Shengfeng Gu.; Among all the ambiguity resolution techniques,the Full Ambiguity Resolution(FAR),Partial Ambiguity Resolution(PAR)and Best Integer Equivariant(BIE)estimator are widely used.Although the researches have been done on th...; 关键词：GNSS Ambiguity resolution Best integer equivariant estimator Covariance matrix MICAR

Orthogonal waveform design with fractional programming on the ambiguity suppression of SAR systems: 《Science China(Information Sciences)》2024年第9期259-275,共17页Yunkai DENG Yongwei ZHANG Zhimin ZHANG Wei WANG Heng ZHANG; supported by National Key Research and Development Program of China(Grant No.2023YFB3904901)。; Waveform diversity(WD)represents a dynamic and transformative technology widely used in radar systems to enhance sensitivity and discrimination capabilities.Recently,WD techniques have been extensively explored for th...; 关键词：synthetic aperture radar(SAR) waveform diversity(WD) ambiguity suppression orthogonal waveform fractional programming power spectrum density(PSD)

Optimal Insurance with Background Risk under the Ambiguity and Belief Heterogeneity Structure: 《Journal of Applied Mathematics and Physics》2024年第6期2160-2171,共12页Xiaohan Wang; In this paper, we discuss the optimal insurance in the presence of background risk while the insured is ambiguity averse and there exists belief heterogeneity between the insured and the insurer. We give the optimal i...; 关键词：Optimal Insurance Monotone Hazard Ratio Order Smooth Ambiguity Model Background Risk Belief Heterogeneity Structure

A dynamical neural network approach for distributionally robust chance-constrained Markov decision process被引量：1: 《Science China Mathematics》2024年第6期1395-1418,共24页Tian Xia Jia Liu Zhiping Chen; supported by National Natural Science Foundation of China(Grant Nos.11991023 and 12371324);National Key R&D Program of China(Grant No.2022YFA1004000)。; In this paper,we study the distributionally robust joint chance-constrained Markov decision process.Utilizing the logarithmic transformation technique,we derive its deterministic reformulation with bi-convex terms und...; 关键词：Markov decision process chance constraints distributionally robust optimization moment-based ambiguity set dynamical neural network

Erratum to Clinical Management Guidelines for Intrahepatic Cholestasis of Pregnancy.Volume 6,Issue 1,Janurary 2024: 《Maternal-Fetal Medicine》2024年第2期119-119,共1页; In reference to Clinical question 5 in the original article publication,the authors suggest removing specific sections from the first and third paragraphs,as well as Recommendation 5-2,to avoid ambiguity.; 关键词：removing CLINICAL AMBIGUITY

AMBIGUITY