Existence of positive solutions to a boundary value problem for a delayed nonlinear fractional differential system.

*(English)*Zbl 1219.34103Summary: We consider a boundary value problem of a general delayed nonlinear fractional system. By means of some fixed point theorems and the properties of the Green function, we establish several sets of sufficient conditions for the existence of positive solutions. The obtained results extend and include some existing ones and are illustrated by some examples.

##### MSC:

34K37 | Functional-differential equations with fractional derivatives |

34K10 | Boundary value problems for functional-differential equations |

##### References:

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