Limpanukorn, N. (2026). On a novel n-tuple variable order q-fractional derivative with respect to ψ function: hybrid difference equation and the well-posedness of the solution. Journal of Mathematical Analysis and Modeling, 7(1), 57–81. https://doi.org/10.48185/jmam.v7i1.1887 (Original work published April 13, 2026)