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We study the existence and uniqueness of positive solutions for a class of singular m-point boundary value problems of second order differential equations on a measure chain. A sharper sufficient condition for the existence and uniqueness of C-rd(1) [0,T] positive solutions as well as C-rd(1) [0,T] positive solutions is obtained by the technique of lower and upper solutions and the maximal principle theorem.

New Results for Multipoint Singular Boundary Value Problems on a Measure Chain