Fractional Differential Calculus · Volume 14, Issue 1 Existence and stability results for a pantograph problem with sequential Caputo-Hadamard derivatives 14-02 Pages 21-38 DOI 10.7153/fdc-2024-14-02 Downloads Short PDF Full PDF PNG Authors Amira Abdelnebi Zoubir Dahmani Keywords Caputo-Hadamard fractional derivative pantograph equation fixed point theory existence Ulam-Hyers stability Subject classes 26A33 34A08 47H10