On the study of existence of sequential fractional integro-differential equations with boundary conditions

Document Type : Research Paper

Authors
Department of Mathematics, Sri Vasavi College, Erode - 638 316, India
10.22075/ijnaa.2025.39688.5575
Abstract
This paper studies a boundary value problem of sequential fractional integro-differential equations. The uniqueness results are studied using the classical contraction mapping principle; however, the existence results are proved via D.O’Regan’s fixed point theorem. We also present an example to illustrate our findings.
Keywords

[1] F. Abdolrazaghi and A. Razani, On the weak solutions of an overdetermined system of nonlinear fractional partial integro‑differential equations, Miskolc Math. Notes 20 (2019), no. 1, 3-16.
[2] F. Abdolrazaghi and A. Razani, A unique weak solution for a kind of coupled system of fractional schrodinger equations, Opuscula Math. 40 (2020), no. 3, 313-322.
[3] B. Ahmad, M. Alnahdi, and S.K. Ntouyas, Existence results for a differential equation involving the right caputo fractional derivative and mixed nonlinearities with nonlocal closed boundary conditions, Fractal Fractional 7 (2023), no. 2, 129.
[4] B. Ahmad, A. Broom, A. Alsaedi, and S.K. Ntouyas, Nonlinear integro‑differential equations involving mixed right and left fractional derivatives and integrals with nonlocal boundary data, Mathematics 8 (2020), no. 3, 336.
[5] B. Ahmad and R. Luca, Existence of solutions for sequential fractional integro‑differential equations and inclusions with nonlocal boundary conditions, Appl. Math. Comput. 339 (2018), 516-534.
[6] B. Ahmad and J.J. Nieto, Sequential fractional differential equations with three‑point boundary conditions, Comput. Math. Appl. 64 (2012), no. 10, 3046-3052.
[7] A. Alsaedi, A. Broom, S.K. Ntouyas, and B. Ahmad, Nonlocal fractional boundary value problems involving mixed right and left fractional derivatives and integrals, Axioms 9 (2020), no. 2, 50.
[8] A. Anguraj, P. Karthikeyan, M. Rivero, and J.J. Trujillo, On new existence results for fractional integro‑differential equations with impulsive and integral conditions, Comput. Math. Appl. 66 (2014), no. 12, 2587-2594.
[9] R. Arul, P. Karthikeyan, K. Karthikeyan, Y. Alruwaily, L. Almaghansi, and E. El‑hady, Sequential caputo‑hadamard fractional differential equations with boundary conditions in banach spaces, Fractal Fractional 6 (2022), no. 12, 730.
[10] F. Behboudi, A. Razani, and M. Oveisiha, Existence of a mountain pass solution for a nonlocal fractional (p, q)‑laplacian problem, Boundary Value Problems 2020 (2020), no. 1, 149.
[11] A. Bragdi, A. Frioui, and A.G. Lakoud, Existence of solutions for nonlinear fractional integro‑differential equations, Adv. Difference Equ. 2020 (2020), no. 1, 418.
[12] H. Fallahgoul, S. Focardi, and F. Fabozzi, Fractional calculus and fractional processes with applications to financial economics: Theory and application, Academic Press, 2016.
[13] A. Granas and J. Dugundji, Fixed point theory, vol. 14, Springer, 2003.
[14] P. Karthikeyan and K. Keerthivasan, Existence of solutions for mixed fractional integro‑differential equations in banach spaces, Discont. Nonlinear. Complex., 2026.
[15] P. Karthikeyan, A. Manikandan, and D. Vijay, Some results on ψψ‑caputo fractional integro differential equations, J. Fractional Calculus Appl. 16 (2025), no. 1.
[16] P. Karthikeyan and S. Poornima, Existence results for sequential fractional integro‑differential equations with impulsive conditions, Int. J. Dyn. Control 12 (2024), no. 1, 227-236.
[17] A.A. Kilbas, H.M. Srivastava, and J.J. Trujillo, Theory and applications of fractional differential equations, vol. 204, Elsevier, 2006.
[18] A. Lachouri, A. Ardjouni, and A. Djoudi, Existence and ulam stability results for fractional differential equations with mixed nonlocal conditions, Azerbaijan J. Math. 11 (2021), no. 2, 78-97.
[19] A.G. Lakoud, R. Khaldi, and A. Kilicman, Existence of solutions for a mixed fractional boundary value problem, Adv. Difference Equ. 2017 (2017), no. 1, 164.
[20] K.S. Miller and B. Ross, An Introduction to the Fractional Calculus and Fractional Differential Equations, Wiley, 1993.
[21] S.A. Murad and A.S. Rafeeq, Existence of solutions of integro‑fractional differential equation when α∈(2,3] through fixed point theorem, J. Math. Comput. Sci. 11 (2021), no. 5, 6392-6402.
[22] S.K. Ntouyas, A. Broom, A. Alsaedi, T. Saeed, and B. Ahmad, Existence results for a nonlocal coupled system of differential equations involving mixed right and left fractional derivatives and integrals, Symmetry 12 (2020), no. 4, 578.
[23] N. Nyamoradi and A. Razani, Existence to fractional critical equation with hardy‑littlewood‑sobolev nonlinearities, Acta Math. Sci. 41 (2021), no. 4, 1321-1332.
[24] D. O'regan, Fixed‑point theory for the sum of two operators, Appl. Math. Lett. 9 (1996), no. 1, 1-8.
[25] A. Razani, A solution of a nonstandard Dirichlet Finsler (p, q)‑Laplacian, Filomat 38 (2024), no. 23, 8131-8139.
[26] A. Razani and F. Behboudi, Weak solutions for some fractional singular (p, q)‑Laplacian nonlocal problems with Hardy potential, Rend. Circolo Mate. Palermo Ser. 2 72 (2023), no. 3, 1639-1654.
[27] P. Yu, G. Ni, and C. Hou, Existence and uniqueness for a mixed fractional differential system with slit‑strips conditions, Boundary Value Problems 2024 (2024), no. 1, 128.
[28] L. Zhang and S. Sun, Existence and uniqueness of solutions for mixed fractional q‑difference boundary value problems, Boundary Value Problems 2019 (2019), no. 1, 100.

Articles in Press, Corrected Proof
Available Online from 22 August 2026

  • Receive Date 12 October 2025
  • Revise Date 23 November 2025
  • Accept Date 25 November 2025