Search Results - "Ning, Yufu"
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Risk-Neutral Pricing Method of Options Based on Uncertainty Theory
Published in Symmetry (Basel) (01-12-2021)“…In order to rationally deal with the belief degree, Liu proposed uncertainty theory and refined into a branch of mathematics based on normality, self-duality,…”
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Research on the Factors Influencing Tourism Revenue of Shandong Province in China Based on Uncertain Regression Analysis
Published in Mathematics (Basel) (01-11-2023)“…According to the analysis of historical tourism data, it was found that tourism revenue is influenced by multiple factors, and there exists a linear…”
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A Structural Credit Risk Model Driven by the Lévy Process under Knightian Uncertainty
Published in Symmetry (Basel) (01-05-2022)“…The classic credit risk structured model assumes that risky asset values obey geometric Brownian motion. In reality, however, risky asset values are often not…”
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A Mathematical Optimization Model Designed to Determine the Optimal Timing of Online Rumor Intervention Based on Uncertainty Theory
Published in Mathematics (Basel) (01-08-2024)“…The multifaceted nature of online rumors poses challenges to their identification and control. Current approaches to online rumor governance are evolving from…”
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5
Conditional Uncertainty Distribution of Two Uncertain Variables and Conditional Inverse Uncertainty Distribution
Published in Symmetry (Basel) (01-08-2023)“…It is noted that some uncertain variables are independent while others are not. In general, there is a symmetrical relationship between independence and…”
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An Uncertain APP Model with Allowed Stockout and Service Level Constraint for Vegetables
Published in Symmetry (Basel) (01-12-2021)“…Volatile markets and uncertain deterioration rate make it extremely difficult for manufacturers to make the quantity of saleable vegetables just meet the…”
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7
Robust Total Least Squares Estimation Method for Uncertain Linear Regression Model
Published in Mathematics (Basel) (01-10-2023)“…In data analysis and modeling, least squares and total least squares are both mathematical optimization techniques. It is noteworthy that both the least…”
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Multi-Sensors-Based Physiological Stress Monitoring and Online Survival Prediction System for Live Fish Waterless Transportation
Published in IEEE access (2020)“…Live fish waterless transport strategy for the purpose of consumption or ornament is a novel technology, which can implement the larger volume transportation…”
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An Evaluation Model for the Influence of KOLs in Short Video Advertising Based on Uncertainty Theory
Published in Symmetry (Basel) (01-08-2023)“…In the era of rapid growth in the short video industry, it is very important to find more accurate suitable advertising promoters, namely Key Opinion Leaders,…”
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10
Polarization-Splitting Grating Coupler on Lithium Niobate Thin Film
Published in Crystals (Basel) (01-03-2024)“…In this study, one-dimensional grating coupler on single-crystal lithium niobate thin film (lithium niobate on insulator, LNOI) that also served as a…”
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11
Relative Error Linear Combination Forecasting Model Based on Uncertainty Theory
Published in Symmetry (Basel) (01-07-2023)“…The traditional combination forecasting model has good forecasting effect, but it needs precise historical data. In fact, many random events are uncertain, and…”
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Some Theorems for Inverse Uncertainty Distribution of Uncertain Processes
Published in Symmetry (Basel) (01-01-2022)“…In real life, indeterminacy and determinacy are symmetric, while indeterminacy is absolute. We are devoted to studying indeterminacy through uncertainty…”
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Uncertain KOL Selection With Multiple Constraints in Advertising Promotion
Published in IEEE access (2021)“…Social media marketing is a new mode of marketing industry. KOL (Key Opinion Leader) marketing is a popular way of social media marketing, which is…”
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14
Uncertain chance-constrained programming model for project scheduling problem
Published in The Journal of the Operational Research Society (04-03-2018)“…In this paper, we consider an uncertain project scheduling problem, in which activity durations, with no historical data generally, are estimated by belief…”
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15
An uncertain currency model with floating interest rates
Published in Soft computing (Berlin, Germany) (01-11-2017)“…Considering the uncertain fluctuations in the financial market from time to time, we propose a currency model with floating interest rates within the framework…”
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An interest-rate model with jumps for uncertain financial markets
Published in Physica A (01-08-2019)“…The interest rate in the ideal market involving human uncertainty is usually described by uncertain differential equations. Considering the fluctuations and…”
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17
A multilevel approach for modelling vehicle routing problem with uncertain travelling time
Published in Journal of intelligent manufacturing (01-03-2017)“…Vehicle routing problem is concerned with finding optimal collection or delivery routes in a transportation network, beginning and ending at a central depot,…”
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18
Some results about uncertain differential equations with time-dependent delay
Published in Applied mathematics and computation (01-02-2020)“…Uncertain differential equations with time-dependent delay are a type of differential equations driven by Liu process. This paper mainly proves that this type…”
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Chirped and apodized grating couplers on lithium niobate thin film
Published in Optical materials express (01-10-2020)“…Chirped and apodized grating couplers were designed, fabricated and characterized in lithium niobate thin film for fiber-to-chip coupling. The maximum coupling…”
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A new uncertain linear regression model based on equation deformation
Published in Soft computing (Berlin, Germany) (01-10-2021)“…When the observed data are imprecise, the uncertain regression model is more suitable for the linear regression analysis. Least squares estimation can fully…”
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