This paper discusses the existence of multiple positive solutions of a class of nonlinear singular boundary value problems by means of the fixed point index Theorem on cones.

利用锥映射的不动点指数定理，研究了一类非线性奇异边值问题多个正解的存在性问题。

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By using fixed point index theory in a cone, we study the existence of positive solutions of boundary value problems for systems of nonlinear second order singular differential equations.

使用锥上拓扑度理论，研究二阶非线性奇异微分方程组两点边值问题正解的存在性。

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