Author(s): Xiaofeng Zhang and Hanying Feng
In this paper, we consider the existence of positive solutions to a singular semipositone boundary value problem of nonlinear fractional di??erential equations. By applyingthe?xedpointindextheorem,somenewresultsfortheexistenceofpositivesolutions are obtained. In addition, an example is presented to demonstrate the application of our main results.
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