一类奇异和非奇异边值问题正解存在性

Existence of Positive Solutions of a Class of Singular and Nonsingular Boundary Value Problems

讨论了两点边值问题正解的存在性和唯一性．

The two-point boundary value problems are studied with the aim of obtaining the exist-ence and uniqueness of positive solutions.The function f(x,y)is assumed to satisfy the followinghypotheses:(H_1)f(x,y)is defined and nonnegative inis continuous and decreasinging in yforx∈(0,1)