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 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 
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 
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. 
A REMARK ON PERIODIC SOLUTIONS OF SINGULAR HAMILTONIAN SYSTEMS WITH SUBLINEAR TERMS被引量：1
《Systems Science and Mathematical Sciences》1992年第2期121-126,共6页DING Yanheng LI Shujie (Institute of Mathematics,Academia Sinica,Beijing 100080,China) 
In this paper,we prove the existence of multiple periodic solutionsfor a class of singular Hamiltonian systems with sublinear terms via variationalmethods.
关键词：SINGULAR Hamiltonian system SUBLINEAR periodic solution 
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