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学者姓名:吴爱迪
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Abstract :
当前,我国数字经济正处于蓬勃发展的阶段,在不断做强数字经济的同时还需注重科技同生态的深入协同发展。该文结合中立型交叉效率模型和Malmquist指数测算福建省数字经济生产效率,采用DPSIR和熵权-TOPSIS模型测算生态环境承载力,在此基础上构建耦合协调模型,并对其时序变化和空间特征进行分析。结果表明,福建省数字经济和生态环境承载力的耦合协调度逐渐向好发展,但仍旧存在发展空间,应该积极促进绿色发展和数字产业深度融合。
Keyword :
中立型交叉效率DEA模型 中立型交叉效率DEA模型 数字经济 数字经济 生态环境承载力 生态环境承载力 耦合协调 耦合协调
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| GB/T 7714 | 沈惠柔 , 肖扬岚 , 许一涵 et al. 福建省数字经济效率与生态环境耦合协调研究 [J]. | 海峡科学 , 2024 , 9 (03) : 167-175 . |
| MLA | 沈惠柔 et al. "福建省数字经济效率与生态环境耦合协调研究" . | 海峡科学 9 . 03 (2024) : 167-175 . |
| APA | 沈惠柔 , 肖扬岚 , 许一涵 , 尤添革 , 吴爱迪 , 陈中柱 et al. 福建省数字经济效率与生态环境耦合协调研究 . | 海峡科学 , 2024 , 9 (03) , 167-175 . |
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Increased air pollution is driven by anthropogenic pollution emissions and climate change, which pose great challenges to environmental governance. Strengthening the monitoring of regional air quality levels and analyzing the causes of regional pollution is conducive to the management and sustainable development of the regional atmosphere. Functional data obtained on a wavelet basis were used in the fitting of air quality data of Fujian Province, and wavelet decomposition was performed to obtain low-frequency and high-frequency information. While the Fourier basis cannot adaptively adjust the time-frequency window, resulting in the loss of location information of special frequencies, the wavelet basis solves this problem. Functional analysis of variance was utilized for analyzing spatial differences in air pollution characteristics. Furthermore, the study established a multivariate functional linear regression model to explore the impact of meteorological factors and ozone precursor factors. The results indicated that the overall air quality was gradually improving in Fujian Province, but the concentration of ozone was progressively increasing. Air pollution in coastal areas was higher than that in inland areas. The p-values of the functional analysis of variance for energy values and crest values were less than 0.05. Moreover, the energy entropy and kurtosis values were greater than 0.05. There were significant differences of AQI in the fluctuation amplitude and variation characteristics of different cities. The total squared multiple correlation of regression model was above 50% on average. Ozone is currently the most serious pollution factor, mainly affected by wind speed, temperature, NO2, and CO. In summer, it was principally influenced by VOCs. The findings of this study could act as a reference in exploring the time-frequency characteristics of air quality data and support of air pollution control.
Keyword :
air quality air quality Fujian Province Fujian Province functional data functional data influencing factors influencing factors time-frequency characteristics time-frequency characteristics wavelet-basis function wavelet-basis function
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| GB/T 7714 | Shen, Huirou , Xiao, Yanglan , You, Linyi et al. Analysis of Time-Frequency Characteristics and Influencing Factors of Air Quality Based on Functional Data in Fujian [J]. | ATMOSPHERE , 2024 , 15 (12) . |
| MLA | Shen, Huirou et al. "Analysis of Time-Frequency Characteristics and Influencing Factors of Air Quality Based on Functional Data in Fujian" . | ATMOSPHERE 15 . 12 (2024) . |
| APA | Shen, Huirou , Xiao, Yanglan , You, Linyi , Zheng, Yijing , Xie, Houzhan , Xu, Yihan et al. Analysis of Time-Frequency Characteristics and Influencing Factors of Air Quality Based on Functional Data in Fujian . | ATMOSPHERE , 2024 , 15 (12) . |
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In this article, we study the uniqueness of differential polynomials of meromorphic functions with its shift of hyper-order less than 1. We prove three uniqueness theorems for differential polynomials of meromorphic functions satisfying the condition of sharing values partially with its shift, extend the result obtained by X. G. Qi, N. Li and L. Z. Yang.
Keyword :
differential polynomial differential polynomial Meromorphic function Meromorphic function shift shift transcendental entire function transcendental entire function
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| GB/T 7714 | Li, D. X. , Lin, W. C. , Wu, A. D. . UNIQUENESS OF DIFFERENTIAL-DIFFERENCE EQUATION ON SHARING VALUES [J]. | HOUSTON JOURNAL OF MATHEMATICS , 2022 , 48 (4) : 759-783 . |
| MLA | Li, D. X. et al. "UNIQUENESS OF DIFFERENTIAL-DIFFERENCE EQUATION ON SHARING VALUES" . | HOUSTON JOURNAL OF MATHEMATICS 48 . 4 (2022) : 759-783 . |
| APA | Li, D. X. , Lin, W. C. , Wu, A. D. . UNIQUENESS OF DIFFERENTIAL-DIFFERENCE EQUATION ON SHARING VALUES . | HOUSTON JOURNAL OF MATHEMATICS , 2022 , 48 (4) , 759-783 . |
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利用Nevanlinna理论与多项式加权和的概念研究了一类亚纯函数多项式与其导函数分担小函数的唯一性.在分担小函数的条件下,得到了亚纯函数的特征函数与计数函数之间的一个不等式,并研究了亚纯函数多项式与其k阶导数分担小函数的唯一性问题,所得到的定理补充,改进与推广了一些已有的结果.
Keyword :
亚纯函数 亚纯函数 唯一性 唯一性 导函数 导函数 小函数 小函数
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| GB/T 7714 | 刘登峰 , 吴爱迪 . 亚纯函数多项式与其导函数分担小函数的唯一性 [J]. | 纯粹数学与应用数学 , 2022 , 38 (04) : 473-481 . |
| MLA | 刘登峰 et al. "亚纯函数多项式与其导函数分担小函数的唯一性" . | 纯粹数学与应用数学 38 . 04 (2022) : 473-481 . |
| APA | 刘登峰 , 吴爱迪 . 亚纯函数多项式与其导函数分担小函数的唯一性 . | 纯粹数学与应用数学 , 2022 , 38 (04) , 473-481 . |
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研究了两个亚纯函数的k阶导函数分担两个值集的唯一性问题.证明了对于集合S和T,只要■,则存在非零常数A,使得f~((k))=Ag~((k)).
Keyword :
亚纯函数 亚纯函数 分担集合 分担集合 唯一性 唯一性 导函数 导函数
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| GB/T 7714 | 李雨昕 , 吴爱迪 , 林伟川 . 亚纯函数的k阶导函数分担集合的唯一性 [J]. | 福建师范大学学报(自然科学版) , 2022 , 38 (01) : 9-17 . |
| MLA | 李雨昕 et al. "亚纯函数的k阶导函数分担集合的唯一性" . | 福建师范大学学报(自然科学版) 38 . 01 (2022) : 9-17 . |
| APA | 李雨昕 , 吴爱迪 , 林伟川 . 亚纯函数的k阶导函数分担集合的唯一性 . | 福建师范大学学报(自然科学版) , 2022 , 38 (01) , 9-17 . |
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研究了超级小于1的亚纯函数分担两个值集的唯一性问题.证明了亚纯函数与其平移函数单边分担两个集合S_1(9个元素),S_2(1个元素)时两者恒等.进一步地,在两个集合基数分别为4和1的条件下,建立了亚纯函数与其平移函数之间的关系.
Keyword :
亚纯函数 亚纯函数 分担集合 分担集合 唯一性 唯一性 平移 平移
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| GB/T 7714 | 聂晓汤 , 林伟川 , 吴爱迪 . 亚纯函数及其平移的唯一性 [J]. | 福建师范大学学报(自然科学版) , 2022 , 38 (02) : 1-6 . |
| MLA | 聂晓汤 et al. "亚纯函数及其平移的唯一性" . | 福建师范大学学报(自然科学版) 38 . 02 (2022) : 1-6 . |
| APA | 聂晓汤 , 林伟川 , 吴爱迪 . 亚纯函数及其平移的唯一性 . | 福建师范大学学报(自然科学版) , 2022 , 38 (02) , 1-6 . |
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We consider the unique determination of Riemann zeta function as a solution of its functional equaiton under the condition sharing value. Besides, we show how the Riemann zeta function is uniquely determined by one or two sharing values of truncated multiplicity. The results in present paper extend the theorems given by Li in [17] and Gao, Li in [12]. Moreover, we generalize the results to L-functions in the Selberg class.
Keyword :
function equation function equation Riemann zeta function Riemann zeta function share value share value uniqueness uniqueness
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| GB/T 7714 | Wu, Aidi , Lin, Weichuan . A Study on Value Distribution of the Riemann Zeta Function [J]. | FILOMAT , 2021 , 35 (11) : 3841-3854 . |
| MLA | Wu, Aidi et al. "A Study on Value Distribution of the Riemann Zeta Function" . | FILOMAT 35 . 11 (2021) : 3841-3854 . |
| APA | Wu, Aidi , Lin, Weichuan . A Study on Value Distribution of the Riemann Zeta Function . | FILOMAT , 2021 , 35 (11) , 3841-3854 . |
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利用权分担概念研究形如f~nP(f)L(z, f)的亚纯函数差分多项式分担公共小函数的唯一性问题,其中P(z)是m次非常数多项式,L(z, f)是项数为s的线性差分算子.
Keyword :
亚纯函数 亚纯函数 唯一性 唯一性 差分多项式 差分多项式 权分担 权分担
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| GB/T 7714 | 聂晓汤 , 吴爱迪 . 亚纯函数差分多项式的唯一性 [J]. | 宁德师范学院学报(自然科学版) , 2021 , 33 (04) : 337-343,390 . |
| MLA | 聂晓汤 et al. "亚纯函数差分多项式的唯一性" . | 宁德师范学院学报(自然科学版) 33 . 04 (2021) : 337-343,390 . |
| APA | 聂晓汤 , 吴爱迪 . 亚纯函数差分多项式的唯一性 . | 宁德师范学院学报(自然科学版) , 2021 , 33 (04) , 337-343,390 . |
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证明了广义Selberg类中的L-函数可由其不同值点的原像集唯一确定,其研究思路有别于传统的在两个函数分担相同值点的条件下,考虑两个函数具有相同原像集的唯一性问题.
Keyword :
L-函数 L-函数 分担值 分担值 唯一性 唯一性
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| GB/T 7714 | 吴爱迪 , 林伟川 . 广义Selberg类中的L-函数的唯一性问题 [J]. | 福建师范大学学报(自然科学版) , 2021 , 37 (03) : 14-19 . |
| MLA | 吴爱迪 et al. "广义Selberg类中的L-函数的唯一性问题" . | 福建师范大学学报(自然科学版) 37 . 03 (2021) : 14-19 . |
| APA | 吴爱迪 , 林伟川 . 广义Selberg类中的L-函数的唯一性问题 . | 福建师范大学学报(自然科学版) , 2021 , 37 (03) , 14-19 . |
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Using the FB function, we propose a new Levenberg-Marquardt algorithm for nonlinear complementarity problem. To obtain the global convergence, the algorithm uses the nonmonotone trust region and line search techniques under a convenient boundedness assumption. Furthermore, we get local superlinear/quadratic convergence of the algorithm under a nonsingularity condition. Some numerical examples are given to illustrate the performance and efficiency of the presented algorithm.
Keyword :
global convergence global convergence Nonlinear complementarity problems Nonlinear complementarity problems nonmonotone Levenberg-Marquardt algorithm nonmonotone Levenberg-Marquardt algorithm superlinear/quadratic convergence superlinear/quadratic convergence trust region technique trust region technique
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| GB/T 7714 | Fan, Bin , Ma, Changfeng , Wu, Aidi et al. A Levenberg-Marquardt Method for Nonlinear Complementarity Problems Based on Nonmonotone Trust Region and Line Search Techniques [J]. | MEDITERRANEAN JOURNAL OF MATHEMATICS , 2018 , 15 (3) . |
| MLA | Fan, Bin et al. "A Levenberg-Marquardt Method for Nonlinear Complementarity Problems Based on Nonmonotone Trust Region and Line Search Techniques" . | MEDITERRANEAN JOURNAL OF MATHEMATICS 15 . 3 (2018) . |
| APA | Fan, Bin , Ma, Changfeng , Wu, Aidi , Wu, Chao . A Levenberg-Marquardt Method for Nonlinear Complementarity Problems Based on Nonmonotone Trust Region and Line Search Techniques . | MEDITERRANEAN JOURNAL OF MATHEMATICS , 2018 , 15 (3) . |
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