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On the Solutions for a Class of Boundary Value Problems of Fractional Type Using Coincidence Degree Theory
1  Department of Mathematics, University of Aveiro
Academic Editor: Alberto Cabada (registering DOI)

This work is devoted to the study of a class of fractional boundary value problems using
(left) Caputo derivative, and with the particularity of being resonant, i.e., the associated homogeneous problem admits a nontrivial solution. Conditions to ensure the existence and uniqueness of solutions are presented. Using Mawhin’s coincidence degree, it is shown that the problem under consideration admits solutions and applying Banach contraction principle, sufficient conditions are obtained for which the solution is unique.

Keywords: fractional boundary value problem; Caputo derivative; Mawhin’s coincidence degree; Banach contraction principle