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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SOME NECESSARY AND SUFFICIENT CONDITIONS FOR EXISTENCE OF POSITIVE SOLUTIONS FOR THIRD ORDER SINGULAR SUBLINEAR MULTI-POINT BOUNDARY VALUE PROBLEMS被引量：5
《Acta Mathematica Scientia》2014年第6期1795-1810,共16页韦忠礼 
supported by the National Science Foundation of Shandong Province(ZR2009AM004)
We mainly study the existence of positive solutions for the following third order singular multi-point boundary value problem{x^（3）（t） ＋ f（t, x（t）, x′（t）） = 0, 0 〈 t 〈 1,x（0）-∑i=1^m1 αi x（ξi） = 0...
关键词：boundary value problems positive solutions lower and upper solutions comparison theorem 
EXISTENCE OF POSITIVE SOLUTIONS TO SUBLINEAR SECOND-ORDER PERIODIC BOUNDARY VALUE PROBLEM被引量：1
《Annals of Differential Equations》2013年第1期25-33,共9页Shujun Jiang 
Supported by National Natural Science Foundation of China (11161022);Natural Science Foundation of Jiangxi Province (20114BAB211006 and 20122BAB201015);Educational Department of Jiangxi Province (GJJ12280)
In this paper, we consider a second-order periodic boundary value problem. By the topological degree theory and fixed point index theory, we prove the existence of positive solutions which gives the relationship betwe...
关键词：positive solutions periodic boundary value problem unbounded from below fixed point index theory topological degree 
EXISTENCE OF POSITIVE SOLUTIONS TO SINGULAR SUBLINEAR SEMIPOSITONE NEUMANN BOUNDARY VALUE PROBLEM
《Annals of Differential Equations》2011年第3期336-342,共7页Zhilong Li,Shujun Jiang(Dept. of Math.,Jiangxi University of Finance and Economics,Nanchang 330013) 
Supported by National Natural Science Foundation of China (10626029; 10701040; 60964005; 11161022);Natural Science Foundation of Jiangxi Province (2009GQS0007);Educational Department of Jiangxi Province (JJ0946; GJJ11420)
The existence of positive solutions to a singular sublinear semipositone Neumann boundary value problem is considered. In this paper,the nonlinearity term is not necessary to be bounded from below and the function q(t...
关键词：positive solutions singular Neumann boundary value problem unbounded from below fixed point index theory 
POSITIVE SOLUTIONS OF SINGULAR SUBLINEAR SECOND ORDER BOUNDARY VALUE PROBLEMS被引量：12
《Systems Science and Mathematical Sciences》1998年第1期82-88,共7页WEI Zhongli(Department of Fundamental Courses, Shandong Arehitectuml andCivil Engineering Institute, Ji’nan 250014, China) 
This paper mainly studies the existence of positive solutions of singular sub-linear boundary value problems concerning the generalized Emden-Fowler equations. Anecessary and sufficient condition for the existence of ...
关键词：SINGULAR SUBLINEAR boundary value problem positive solution LOWER andupper soplutions. 
Existence and Uniqueness of Positive Solutions to Sublinear-Linear Initial Value Problems
《Acta Mathematica Sinica,English Series》1994年第1期19-29,共11页Yang Enhao Department of Mathematics Jinan University Guangzhou,510275 China 
Existence and uniqueness conditions for nonnegative solutions to initial value prob- lems of general sublinear-linear differential equations are obtained.They extend the uniqueness theorem due to H.Murakami~[6] and th...
关键词：Existence and Uniqueness of Positive Solutions to Sublinear-Linear Initial Value Problems MATH 
POSITIVE SOLUTIONS OF HIGHER ORDER SUBLINEAR FUNCTIONAL DIFFERENTIAL EQUATIONS
《Acta Mathematica Scientia》1992年第3期337-345,共9页缪益华 
In this paper, we discuss higher order sublinear functional differential equation x(n)(t)+p(t)x(v)(g(t)) =0 t greater-than-or-equal-to t0 where n greater-than-or-equal-to 2, 0
EXISTENCE AND REGULARITY OF POSITIVE SOLUTIONS OF THE ELLIPTIC EQUATIONS INVOLVING CRITICAL NONLINEAR AND SUBLINEAR
《四川师范大学学报（自然科学版）》1991年第1期45-46,共2页刘宪高 
0 IntroductionLet Ωbe a smooth bounded domain in Rn with n>3, consider the problem of finding a function u（x）which satisfieswhere 0<α<1, 1<P=2n-1, 2n=2n/n-2 is the crit...
关键词：NIRENBERG ARGUMENT embedding correspond EXPONENT finding radial satis 下尸 false 
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