List of Articles fractional differential equations Open Access Article Abstract Page Full-Text 1 - Application of the Lie Symmetry Analysis for second-order fractional differential equations Mousa Ilie Jafar Biazar Zeinab Ayati Open Access Article Abstract Page Full-Text 2 - Numerical Solution of Fokker-Planck-Kolmogorov Time Fractional Differential Equations Using Haar Wavelet Method and convergence and error analysis Shaban Mohammadi Seyed Reza Hejazi Open Access Article Abstract Page Full-Text 3 - An Efficient Numerical Approach for Approximating Nonlocal Variable-Order Weakly Singular Integro-Differential Equations Nayereh Tanha Behrouz Parsa Moghaddam Mousa Ilie