云南高校图书馆联盟文献共享服务平台- NONUNIQUENESS

检索规则说明：AND代表“并且”；OR代表“或者”；NOT代表“不包含”；(注意必须大写,运算符两边需空一格)

检索范例：范例一： (K=图书馆学 OR K=情报学) AND A=范并思　　　　范例二：J=计算机应用与软件 AND (U=C++ OR U=Basic) NOT M=Visual

全部期刊核心期刊 EI来源期刊 SCI来源期刊 CA来源期刊 CSCD来源期刊 CSSCI来源期刊

Complex retraction equivalent source method for solving external acoustic problems: 《Chinese Journal of Acoustics》2025年第1期45-65,共21页CHEN Jie XIANG Yu SHI Ziyu; supported by the National Natural Science Foundation of China(12364055,51775121).; In order to overcome the non-unique solution problem of the conventional equivalent source method at the corresponding eigenfrequency,the basic guidelines of adding virtual damping into the equivalent source method is...; 关键词：Equivalent source method Complex source point Virtual damping NONUNIQUENESS EIGENFREQUENCY

Nonuniqueness of Solutions of a Class of0-minimization Problems: 《Journal of the Operations Research Society of China》2021年第4期893-908,共16页Jia-Liang Xu; Recently,finding the sparsest solution of an underdetermined linear system has become an important request in many areas such as compressed sensing,image processing,statistical learning,and data sparse approximation.I...; 关键词：0-minimization SPARSITY NONUNIQUENESS BOUNDEDNESS

Delusions in Theoretical Hydrodynamics: 《World Journal of Mechanics》2018年第9期387-415,共29页Alexander Ivanchin; Theoretical hydrodynamics may lead one into serious delusions. This article is focused on three of them. First, using flowing around a sphere as an example it is shown that the known potential solutions of the flow-ar...; 关键词：Nonpotential FLOW AROUND NONUNIQUENESS of FLOW AROUND a Sphere FLOW AROUND Arbitrary Bodies EDDY Formation VISCOUS FLOW Diffusion and Viscosity VISCOUS FLOW along a Plate

On Nonuniqueness of Geodesics and Geodesic Disks in the Universal Asymptotic Teichmüller Space被引量：2: 《Acta Mathematica Sinica,English Series》2017年第2期201-209,共9页Yi QI Yan WU; Supported by National Natural Science Foundation of China(Grant No.11371045); Abstract The non-uniqueness on geodesics and geodesic disks in the universal asymptotic Teichmfiller space AT（D） are studied in this paper. It is proved that if # is asymptotically extremal in [[#]] with h （μ） ...; 关键词：Asymptotic Teichmuller space GEODESICS geodesic disks holomorphic isometry Teichmul-ler metric

NONUNIQUENESS AND SINGULAR RADIAL SOLUTIONS OF SYSTEMS OF CONSERVATION LAWS: 《Acta Mathematica Scientia》2012年第1期367-379,共13页Michael G.Hilgers; The case of a radial initial state for a family of hyperbolic systems of con- servation laws with several spatial dimensions is considered. It will be shown that the singularity at the origin introduces multiple solut...; 关键词：conservation laws singular solutions NONUNIQUENESS

Numerical Solution of Mean-Square Approximation Problem of Real Nonnegative Function by the Modulus of Double Fourier Integral被引量：1: 《Applied Mathematics》2011年第9期1076-1090,共15页Petro Savenko Myroslava Tkach; A nonlinear problem of mean-square approximation of a real nonnegative continuous function with respect to two variables by the modulus of double Fourier integral dependent on two real parameters with use of the smoot...; 关键词：Mean-Square Approximation Discrete FOURIER Transform TWO-DIMENSIONAL NONLINEAR Integral Equation NONUNIQUENESS and Branching of Solutions TWO-DIMENSIONAL NONLINEAR Spectral Problem

Numerical Approximation of Real Finite Nonnegative Function by the Modulus of Discrete Fourier Transform: 《Applied Mathematics》2010年第1期65-75,共11页Petro Savenko Myroslava Tkach; The numerical algorithms for finding the lines of branching and branching-off solutions of nonlinear problem on mean-square approximation of a real finite nonnegative function with respect to two variables by the modu...; 关键词：Mean-Square APPROXIMATION Discrete FOURIER TRANSFORM Two-Dimensional Nonlinear INTEGRAL Equation NONUNIQUENESS And Branching of Solutions

EXISTENCE AND NONUNIQUENESS OF WEAK SOLUTIONS FOR A DEGENERATE DIFFUSION EQUATION被引量：2: 《Journal of Partial Differential Equations》2005年第3期267-286,共20页Zhou Wenshu Wu Zhuoqun; In this paper, we prove the existence and nonuniqueness of the weak solutions of the initial and boundary value problem for a nonlinear degenerate parabolic equation not in divergence form. Localization property of we...; 关键词：Divergence form degenerate parabolic equation EXISTENCE NON-UNIQUENESS LOCALIZATION

Existence and Nonuniqueness of Weak Solutions of the Initial-Boundary Value Problem for u_t = u~σdiv(|u|^(p-2)u)被引量：1: 《Northeastern Mathematical Journal》2005年第2期189-206,共18页周文书伍卓群; The Young Teachers Foundation (420010302318) of Jilin University.; In this paper, we study the existence and nonuniqueness of weak solutions of the initial and boundary value problem for ut= uσdiv(|△u|p-2△u) with σ≥1. Localization property of weak solutions is also discussed.; 关键词：divergence form degenerate parabolic equation EXISTENCE NONUNIQUENESS localization

Minimum Data Sampling Method in the Inverse Scattering Problem: 《Journal of Modern Transportation》1994年第2期114-118,共5页Yu Wenhua(Res. Inst. of EM Field and Microwave Tech.), Southwest Jiaotong University, Chengdu 610031 ,ChinaPeng Zhongqiu(Beijng Remote Sensing and Information Institute),Beijing 100011,ChinaRen Lang(Res.inst. of EM Field and Microwave Tech.), Southwest J; Fourier transform is a basis of the analysis. This paper presents a kind ofmethod of minimum sampling data determined profile of the inverted object ininverse scattering.; 关键词：inverse scattering nonuniqueness sampling data

NONUNIQUENESS