SUBLINEAR

作品数：64被引量：170H指数：6
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相关领域：理学更多>>
相关作者：安和平冯恩民游兆永刘辉昭蒋达清更多>>
相关机构：东北师范大学大连理工大学云南工业大学西安交通大学更多>>
相关期刊：《四川师范大学学报（自然科学版）》《Journal of Partial Differential Equations》《Applied Mathematics and Mechanics(English Edition)》《Frontiers of Mathematics in China》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中国博士后科学基金更多>>
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Existence of solutions for sub-linear or super-linear operator equations
《Science China Mathematics》2015年第8期1653-1664,共12页CHEN YingYing DONG YuJun SHAN Yuan 
supported by National Natural Science Foundation of China(Grant No.11171157);the Jiangsu Planned Projects for Postdoctoral Research Funds
We investigate solutions to superlinear or sublinear operator equations and obtain some abstract existence results by minimax methods. These results apply to superlinear or sublinear Hamiltonian systems satisfying sev...
关键词：SUPERLINEAR SUBLINEAR operator equations existence of solutions minimax methods Hamiltoniansystems 
KAMENEV-TYPE OSCILLATION CRITERIA FOR DELAY DIFFERENCE EQUATIONS被引量：6
《Acta Mathematica Scientia》2007年第3期574-580,共7页程金发 
revised September 27,2005.Research support by Natural Science Foundation of China(10271043)
Some oscillation criteria are established by Raccati transformation techniques for the following second-order nonlinear neutral difference equation △（pn（△（Xn ＋ CnXn-τ））^γ） ＋ qnX^Bn-σ = 0, n ：0, 1, 2...wh...
关键词：OSCILLATION SUPERLINEAR SUBLINEAR difference equations 
OSCILLATION OF CERTAIN SECOND ORDER DIFFERENCE EQUATIONS被引量：2
《Annals of Differential Equations》2000年第3期213-220,共8页常玉 李旭东 
In this paper, the second order difference equation: △(rn△xn) + f(n, xn) = 0, n∈N(n0) (E) is considered. Some necessary and sufficient conditions for the oscillation of Eq.(E) are obtained.
关键词：superlinear(sublinear) strongly superlinear(strongly sublinear) strong superlinearity (strong sublinearity) constant 
A New Demonstration of a Theorem for Sublinear Approximations
《Journal of Mathematical Research and Exposition》2000年第2期211-212,共2页林贵华 冯恩民 
The demonstration of a theorem for sublinear approximations, due to Demyanov and Rubinov, is modified as a new one in this paper.
关键词：SUBLINEAR SUPERLINEAR approximation. 
EXISTENCE OF THE MINIMAL POSITIVE SOLUTION OF SOME NONLINEAR ELLIPTIC SYSTEMS WHEN THE NONLINEARITY IS THE SUM OF A SUBLINEAR AND A SUPERLINEAR TERM被引量：2
《Applied Mathematics and Mechanics(English Edition)》2000年第3期283-290,共8页Nicolae Tarfulea (Department of Mathematics, the Pennsylvania State University, University Park, PA 16802, U S A) 
It is shown that there exists Λ>0 such that, for every λ∈(0,Λ), the semilinear elliptic system: - Δ u=λu｜u｜ q-1 +u｜u｜ p-1 -v inΩ, - Δ v=δu-γv in Ω, u=v=0 on Ω, where Ω∈R N(N≥2) is a b...
关键词：reaction diffusion system positive solution nonlinear equation 
On the Existence of Positive Solution for n OrderSingular Boundary Value Problems被引量：1
《Chinese Quarterly Journal of Mathematics》1998年第3期68-73, ,共6页Shi Guoliang (Jinan School of Petrochemical Economy,Shandong,Jinan,250101) 
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In this paper,we consider the high order singular boundary value problems: u (n) (t)+a(t)f(u(t))=0, 00,t∈(0,1). a(t) may be singular at t=0,t=1. f(u)∈c[0,+...
关键词：singular   BVP SUPERLINEAR SUBLINEAR positive solution CONE 
EXISTENCE OF POSITIVE SOLUTIONS TO(n-1,1)CONJUGATE BOUNDARY VALUE PROBLEMS
《Annals of Differential Equations》1998年第3期511-517,共7页蒋达清 王艳 刘辉昭 
In this paper, we restablish the existence of positive solution to (n - 1, 1)conjugate boundary value problemIt permits a(t) = 0 on some subintervals of [0, 1] and to have singularity at t = 0and t = 1.
关键词：Boundary value problem SUPERLINEAR SUBLINEAR CONE 
ON　SEMILINEAR　ELLIPTIC　EQUATIONS　WITH　SUBLINEAR　AND　SUPERLINEAR　NONLINEARITIES　IN　R^N
《Applied Mathematics(A Journal of Chinese Universities)》1997年第1期69-78,共10页YANG HAITAO AND WU SHAOPING 
Abstract The existence of infinitely many solutions for the equation-Δu+u=a(x)|u| -a u+b(x)|u| s-2 u in R Nare given by means of variational method, where 0<α<1,2<s<2nn-2, if n3,2<...
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