On a class of -point boundary value problems
We investigate the existence of positive solutions for a nonlinear second-order differential system subject to some -point boundary conditions. The nonexistence of positive solutions is also studied.
Existence for a class of discrete hyperbolic problems.
Positive solutions for a system of fractional boundary value problems
We investigate the existence and multiplicity of positive solutions for a system of nonlinear Riemann-Liouville fractional differential equations with nonnegative nonlinearities which can be nonsingular or singular functions, subject to multi-point boundary conditions that contain fractional derivatives.
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