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Positive Solutions of Some Singular Sub-linear Three-point Boundary Value Problems
次线性奇异三点边值问题的正解

Keywords: Singular three-point boundary value problem,Positive solution,Lower and upper solutions,Comparison theorem
奇异三点边值问题
,正解,上下解,比较定理.,次线性,三点边值问题,正解存在,Boundary,Value,Problems,Singular,Solutions,非线性项,条件,比较定理,上下解方法,利用,存在性,二阶,研究

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Abstract:

This paper investigates the existence of positive solutions for second-order singular sub-linear three-point boundary value problems. A necessary and sufficient condition for the existence of C 0,1] as well as C10,1] positive solutions is given by constructing lower and upper solutions and with the comparison theorem. The nonlinearity f(t,x) may be singular at , \ t=0 and /or t=1 .

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