Abstract
Using degree for \(\alpha \)-condensing maps, we obtain the existence of at least one solution for nonlinear boundary value problems
where \(\varphi : X\rightarrow X \) is a linear homeomorphism, \(f:\left[ 0, 1\right] \times X \times X \rightarrow X \) is a continuous function and X is a real Banach space.
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This research was supported by CAPES and CNPq/Brazil.
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Santos, D.P.D. Three-point boundary value problems in Banach spaces. Bol. Soc. Mat. Mex. 25, 351–362 (2019). https://doi.org/10.1007/s40590-018-0200-3
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DOI: https://doi.org/10.1007/s40590-018-0200-3
