q -Fractional Calculus and Equations [electronic resource] / by Mahmoud H. Annaby, Zeinab S. Mansour.

1 Preliminaries -- 2 q-Difference Equations -- 3 q-Sturm Liouville Problems -- 4 RiemannLiouville q-Fractional Calculi -- 5 Other q-Fractional Calculi -- 6 Fractional q-Leibniz Rule and Applications -- 7 q-MittagLeffler Functions -- 8 Fractional q-Difference Equations -- 9 Applications of q-Integral Transforms.

This nine-chapter monograph introduces a rigorous investigationof q-difference operators in standard and fractional settings. It starts with elementary calculus of q-differences and integration of Jacksons type before turning to q-difference equations. The existence and uniqueness theorems are derived using successive approximations, leading to systems of equations with retarded arguments. Regular q-SturmLiouville theory is also introduced; Greens function is constructed and the eigenfunction expansion theorem is given. The monograph also discusses some integral equations of Volterra and Abel type, as introductory material for the study of fractional q-calculi. Hence fractional q-calculi of the types RiemannLiouville; GrȭnwaldLetnikov; Caputo; ErdȨlyiKober and Weyl aredefined analytically. Fractional q-Leibniz rules with applications in q-series are also obtained with rigorous proofs of the formal results of Al-Salam-Verma, which remained unproved for decades. In working towards the investigation of q-fractional difference equations; families of q-Mittag-Leffler functions are defined and their properties are investigated, especially the q-MellinBarnes integral and Hankel contour integral representation of the q-Mittag-Leffler functions under consideration, the distribution, asymptotic and reality of their zeros, establishing q-counterparts of Wimans results. Fractional q-difference equations are studied; existence and uniqueness theorems are given and classes of Cauchy-type problems are completely solved in terms of families of q-Mittag-Leffler functions. Among many q-analogs of classical results and concepts, q-Laplace, q-Mellin and q2-Fourier transforms are studied and their applications are investigated.

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