AUTHOR=Aniley Worku Tilahun , Duressa Gemechis File TITLE=A novel exponentially fitted finite-difference method for time-fractional singularly perturbed convection–diffusion problems with variable coefficients JOURNAL=Frontiers in Applied Mathematics and Statistics VOLUME=Volume 11 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/applied-mathematics-and-statistics/articles/10.3389/fams.2025.1541766 DOI=10.3389/fams.2025.1541766 ISSN=2297-4687