Research Article

Simpson-Type Integral Inequalities for Differentiable $(m_1,m_2)$-Exponentially Convex Functions via Variable-Order Fractional Integrals

Volume: 9 Number: 3 September 13, 2026

Simpson-Type Integral Inequalities for Differentiable $(m_1,m_2)$-Exponentially Convex Functions via Variable-Order Fractional Integrals

Abstract

In this study, new Simpson-type integral inequalities are obtained by combining the flexible structure provided by variable-order fractional computation with the geometric properties of $(m_1,m_2)$-exponentially convex functions. First, a new integral identity involving variable-order Riemann–Liouville fractional integral operators is established for differentiable functions. This identity is used as a fundamental tool in the development of Simpson-type error estimators and integral inequalities. Then, various Simpson-type upper bounds are derived under the assumption that the absolute value of derivative of the function is $(m_1,m_2)$-exponentially convex. For this purpose, different types of error estimators are obtained using the Hölder inequality, the power-averaging approach, and appropriate integral techniques. The presented results include many classical and fractional Simpson inequalities in the literature as special cases and provide important generalizations within the framework of variable-order fractional integral operators. In addition, appropriate special cases and results are given to demonstrate the applicability of the obtained findings. The obtained results enrich the theory of Simpson-type inequalities within the framework of variable-order fractional calculus and provide a unified approach for deriving new error estimates associated with exponentially convex structures.

Keywords

Simpson-type inequalities, Fractional integrals of variable order, Riemann–Liouville fractional integral operators, (m1, m2)-Exponentially convex functions

References

  1. S. G. Samko, Fractional integration and differentiation of variable order, Anal. Math., 21(3) (1995), 213-236.
  2. A. A. Kilbas, H. M. Srivastava, J. J. Trujillo, Theory and Applications of Fractional Differential Equations, Elsevier, Amsterdam, 2006.
  3. I. Podlubny, Fractional Differential Equations: An Introduction to Fractional Derivatives, Fractional Differential Equations, to Methods of Their Solution and Some of Their Applications, Academic Press, San Diego, 1998.
  4. X. J. Yang, General Fractional Derivatives: Theory, Methods and Applications, CRC Press, New York, 2019.
  5. M. P. Lazarevi´c, M. R. Rapai´c, T. Bˇ Sekara, Introduction to Fractional Calculus with Brief Historical Background, In: Advanced Topics on Applications of Fractional Calculus on Control Problems, System Stability and Modeling, WSEAS Press, 2014.
  6. M. Caputo, M. Fabrizio, A new definition of fractional derivative without singular kernel, Prog. Fract. Differ. Appl., 1(2) (2015), 73-85.
  7. A. Atangana, D. Baleanu, New fractional derivatives with non-local and non-singular kernel. Theory and application to heat transfer model, Therm. Sci., 20(2) (2016), 757-763. https://doi.org/10.2298/TSCI160111018A
  8. T. Abdeljawad, D. Baleanu, Integration by parts and its applications of a new nonlocal fractional derivative with Mittag-Leffler nonsingular kernel, J. Nonlinear Sci. Appl., 10 (2017), 1098-1107. https://doi.org/10.22436/jnsa.010.03.20
  9. R. Khalil, M. Al Horani, A. Yousef, et al., A new definition of fractional derivative, J. Comput. Appl. Math., 264 (2014), 65-70. https://doi.org/10.1016/j.cam.2014.01.002
  10. U. Budaq, E. Yas¸ar, A fractional-order chemical system: Numerical analysis with distinct variable-order derivatives, J. Math. Sci. Model., 8(4) (2025), 185-194. https://doi.org/10.33187/jmsm.1749478
APA
Namazova, N. (2026). Simpson-Type Integral Inequalities for Differentiable $(m_1,m_2)$-Exponentially Convex Functions via Variable-Order Fractional Integrals. Universal Journal of Mathematics and Applications, 9(3), 167-176. https://doi.org/10.32323/ujma.1971125
AMA
1.Namazova N. Simpson-Type Integral Inequalities for Differentiable $(m_1,m_2)$-Exponentially Convex Functions via Variable-Order Fractional Integrals. Univ. J. Math. Appl. 2026;9(3):167-176. doi:10.32323/ujma.1971125
Chicago
Namazova, Nailə. 2026. “Simpson-Type Integral Inequalities for Differentiable $(m_1,m_2)$-Exponentially Convex Functions via Variable-Order Fractional Integrals”. Universal Journal of Mathematics and Applications 9 (3): 167-76. https://doi.org/10.32323/ujma.1971125.
EndNote
Namazova N (September 1, 2026) Simpson-Type Integral Inequalities for Differentiable $(m_1,m_2)$-Exponentially Convex Functions via Variable-Order Fractional Integrals. Universal Journal of Mathematics and Applications 9 3 167–176.
IEEE
[1]N. Namazova, “Simpson-Type Integral Inequalities for Differentiable $(m_1,m_2)$-Exponentially Convex Functions via Variable-Order Fractional Integrals”, Univ. J. Math. Appl., vol. 9, no. 3, pp. 167–176, Sept. 2026, doi: 10.32323/ujma.1971125.
ISNAD
Namazova, Nailə. “Simpson-Type Integral Inequalities for Differentiable $(m_1,m_2)$-Exponentially Convex Functions via Variable-Order Fractional Integrals”. Universal Journal of Mathematics and Applications 9/3 (September 1, 2026): 167-176. https://doi.org/10.32323/ujma.1971125.
JAMA
1.Namazova N. Simpson-Type Integral Inequalities for Differentiable $(m_1,m_2)$-Exponentially Convex Functions via Variable-Order Fractional Integrals. Univ. J. Math. Appl. 2026;9:167–176.
MLA
Namazova, Nailə. “Simpson-Type Integral Inequalities for Differentiable $(m_1,m_2)$-Exponentially Convex Functions via Variable-Order Fractional Integrals”. Universal Journal of Mathematics and Applications, vol. 9, no. 3, Sept. 2026, pp. 167-76, doi:10.32323/ujma.1971125.
Vancouver
1.Nailə Namazova. Simpson-Type Integral Inequalities for Differentiable $(m_1,m_2)$-Exponentially Convex Functions via Variable-Order Fractional Integrals. Univ. J. Math. Appl. 2026 Sep. 1;9(3):167-76. doi:10.32323/ujma.1971125