云南高校图书馆联盟文献共享服务平台- PERTURBATION

PERTURBATION_METHOD: 作品数：174被引量：228H指数：6; 导出分析报告; 相关作者：黄怡筠李云飞郑成荣范菊王丽娜更多>>; 相关机构：中国船舶工业集团公司第708研究所首都师范大学上海交通大学北京理工大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划国家教育部博士点基金广东省自然科学基金更多>>

Generalized nth-Order Perturbation Method Based on Loop Subdivision Surface Boundary Element Method for Three-Dimensional Broadband Structural Acoustic Uncertainty Analysis: 《Computer Modeling in Engineering & Sciences》2024年第8期2053-2077,共25页Ruijin Huo Qingxiang Pei Xiaohui Yuan Yanming Xu; sponsored by the Graduate Student Research and Innovation Fund of Xinyang Normal University under No.2024KYJJ012.; In this paper,a generalized nth-order perturbation method based on the isogeometric boundary element method is proposed for the uncertainty analysis of broadband structural acoustic scattering problems.The Burton-Mill...; 关键词：Perturbation method loop subdivision surface isogeometric boundary element method uncertainty analysis

Multiplicity of solutions for the semilinear subelliptic Dirichlet problem: 《Science China Mathematics》2024年第3期475-504,共30页Hua Chen Hong-Ge Chen Jin-Ning Li Xin Liao; supported by National Natural Science Foundation of China(Grant No.12131017);supported by National Natural Science Foundation of China(Grant No.12201607);National Key R&D Program of China(Grant No.2022YFA1005602);Knowledge Innovation Program of Wuhan-Shuguang Project(Grant No.2023010201020286);China Postdoctoral Science Foundation(Grant No.2023T160655);supported by China National Postdoctoral Program for Innovative Talents(Grant No.BX20230270)。; In this paper,we study the semilinear subelliptic equation{−△Xu=f(x,u)+g(x,u)inΩ,u=0 on∂Ω,where△X=−∑m i=1 Xi∗Xi is the self-adjoint Hormander operator associated with the vector fields X=(X_(1),X_(2),...,X_(m))sati...; 关键词：degenerate elliptic equations Hormander operators perturbation method Morse index

An Initial Perturbation Method for the Multiscale Singular Vector in Global Ensemble Prediction被引量：1: 《Advances in Atmospheric Sciences》2024年第3期545-563,共19页Xin LIU Jing CHEN Yongzhu LIU Zhenhua HUO Zhizhen XU Fajing CHEN Jing WANG Yanan MA Yumeng HAN; supported by the Joint Funds of the Chinese National Natural Science Foundation (NSFC)(Grant No.U2242213);the National Key Research and Development (R&D)Program of the Ministry of Science and Technology of China(Grant No. 2021YFC3000902);the National Science Foundation for Young Scholars (Grant No. 42205166)。; Ensemble prediction is widely used to represent the uncertainty of single deterministic Numerical Weather Prediction(NWP) caused by errors in initial conditions(ICs). The traditional Singular Vector(SV) initial pertur...; 关键词：multiscale uncertainty singular vector initial perturbation global ensemble prediction system

Existence of Solutions for Systems of k-Dimensional Minkowski-Curvature Problems with Neumann Conditions: 《Journal of Mathematical Research with Applications》2024年第1期35-42,共8页Ling XU Runjie LIU Xue BAI; Supported by the National Natural Science Foundation of China(Grant Nos.11901464,12361040);the National Science Foundation of Gansu Province(Grant Nos.20JR10RA100,21JR1RA230);the Department of Education University Innovation Fund of Gansu Province(Grant Nos.2022A-218,2021A-006)。; We prove the existence of solutions of the system for nonlocal Neumann problems with Minkowski-curvature operator(r^(N−1) u′/√(p 1−u′^(2)))′=r^(N−1)f(r,u),r 2(0,1),u′(0)=0,u′(1)=∫_(0)^(-) u′(s)dg(s),where k,N...; 关键词：Minkowski-curvature operator Perturbation method Neumann problem SOLUTIONS

A Heston local-stochastic volatility model for optimal investment-reinsurance strategy with a defaultable bond in an ambiguous environment: 《Probability, Uncertainty and Quantitative Risk》2023年第4期499-522,共24页Ge Wang Menglei Huang Qing Zhou Weixing Wu Weilin Xiao; isupported by the National Natural Science Foundation of China(Grant Nos.11871010 and 11971040);the Fundamental Research Funds for the Central Universities(Grant No.2019XD-A11);The work of Weilin Xiao is supported by the Humanities and Social Sciences of Ministry of Education Planning Fund of China(Grant No.23YJA630102).; This study considers an optimal investment and reinsurance problem involving a defaultable security for an insurer in an ambiguous environment.In other words,the insurer is ambiguous about the insurance claim that is ...; 关键词：Smooth ambiguity utility Heston local-stochastic volatility model Perturbation method Investment and reinsurance Defaultable bond

Pri-EMO:A universal perturbation method for privacy preserving facial emotion recognition被引量：1: 《Journal of Information and Intelligence》2023年第4期330-340,共11页Yong Zeng Zhenyu Zhang Jiale Liu Jianfeng Ma Zhihong Liu; supported by the Foundation for Innovative Research Groups of the National Natural Science Foundation of China(62121001).; Facial emotion have great significance in human-computer interaction,virtual reality and people's communication.Existing methods for facial emotion privacy mainly concentrate on the perturbation of facial emotion imag...; 关键词：Facial emotion recognition Privacy preserving PERTURBATION Universal algorithm Feature space

A controlled random gene perturbation method identifies ARPC1B gene as a key regulator of cancer metastasis: 《Genes & Diseases》2023年第3期687-689,共3页De Chang Hongzhen Du Xiaowei Chen Xiaocui Bian Wenjia Tian Jing Shen Yiju Wei Yunpeng Jiang Charles Dela Cruz Lixin Xie Lokesh Sharma Kailong Li; This study was supported by funding from The National Key Research and Development Program of China(No.2021YFC2302300);Beijing Nova Program Interdisciplinary Cooperation Project(DC;No.Z191100001119021);Chinese PLA General Hospital Youth Project(DC;No.QNF19074);Beijing Nova Program Project(DC;No.Z171100001117012);China 13th Five-year National Key Grant(LXX,No.2018ZX09201013);the Fundamental Research Funds for the Central Universities(KL;No.BMU2021YJ073).; The discovery of clinically useful targets to treat specific pathological conditions can provide novel therapeutic approaches.To unbiasedly identify key genes related to tumor metastasis,we developed a random gene per...; 关键词：METASTASIS cancer RANDOM

Neutrino mixing matrix and masses from a particular two-zero texture based on A_(4) symmetry: 《Communications in Theoretical Physics》2023年第5期128-141,共14页N Razzaghi; The current study aims to investigate the particular case of two zeros in a Majorana neutrino mass matrix based on A_(4) symmetry,where charged lepton mass matrix is diagonal.The texture is M_(ν)^(S7) with(μ,μ)and(...; 关键词：two-zero texture A_(4)symmetry tribimaximal mixing matrix perturbation method CP violation phases

Flow of EMHD nanofluid in curved channel through corrugated walls: 《Applied Mathematics(A Journal of Chinese Universities)》2022年第4期513-529,共17页Madhia Rashid Sohail Nadeem; The present examination deals with the effects of nanofluids on corrugated walls under the influence of electromagnetohydrodynamic(EMHD)in the curved channel.The investigation is carried out by water-based nanofluids ...; 关键词：electromagnetohydrodynamic NANOFLUID perturbation method curved channel and corrugated walls

LOCALIZED NODAL SOLUTIONS FOR SCHRODINGER-POISSON SYSTEMS被引量：2: 《Acta Mathematica Scientia》2022年第5期1947-1970,共24页Xing WANG Rui HE Xiangqing LIU; Supported by NSFC(12161093).; In this paper,we study the existence of localized nodal solutions for Schrodinger-Poisson systems with critical growth{−ε^(2)Δv+V(x)v+λψv=v^(5)+μ|v|^(q−2)v,in R^(3),−ε^(2)Δψ=v^(2),in R^(3);v(x)→0,ψ(x)→0as|x...; 关键词：Schrodinger-Poisson systems localized nodal solutions perturbation method

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