Karapınar, E.Lazreg, J.E.Salim, A.Benchohra, M.02.02. Matematik02. Fen-Edebiyat Fakültesi01. Çankaya Üniversitesi2024-02-012025-09-182024-02-012025-09-182023Benchohra, Mouffak;...et.al. "Fractional Differential Equations with Retardation and Anticipation", Synthesis Lectures on Mathematics and Statistics, pp.77-107, (2023).1938-1743https://doi.org/10.1007/978-3-031-34877-8_4https://hdl.handle.net/123456789/10937In this chapter, we prove some existence and uniqueness results for a class of boundary and terminal value problems for implicit nonlinear k-generalized ψ -Hilfer fractional differential equations involving both retarded and advanced arguments. Further, examples are given to illustrate the viability of our results in each section. © 2023, The Author(s), under exclusive license to Springer Nature Switzerland AG.eninfo:eu-repo/semantics/closedAccessBook Part10.1007/978-3-031-34877-8_42-s2.0-85166092520