Integral inequalities via generalized quasiconvexity with applications

Springer Science and Business Media LLC - Tập 2019 - Trang 1-13 - 2019
Eze R. Nwaeze1
1Department of Mathematics and Computer Science, Alabama State University, Montgomery, USA

Tóm tắt

Two classes of functions are hereby considered; namely, η-quasiconvex, and strongly η-quasiconvex functions. For the former, we establish some novel integral inequalities of the trapezoid kind for functions with second derivatives, while, for the latter, we obtain some new estimates of the integral $\int _{\mathfrak {\alpha }}^{\beta }(\mathfrak {r}-\mathfrak {\alpha })^{p}(\beta -\mathfrak {r})^{q}\mathcal {K}(\mathfrak {r}) \,d\mathfrak {r}$ when $|\mathcal {K}(\mathfrak {r})|$ , to some powers, is strongly η-quasiconvex. Results obtained herein contribute to the development of these new classes of functions by providing broader generalizations to some well-known results in the literature. Furthermore, we employ our results to deduce some estimates for the perturbed version of the trapezoidal formula. Finally, applications to some special means are also presented.

Tài liệu tham khảo

Alomari, M., Darus, M., Dragomir, S.S.: Inequalities of Hermite–Hadamard’s type for functions whose derivatives absolute values are quasi-convex. RGMIA Res. Rep. Coll. 12(14), (2009) Awan, M.U., Noorb, M.A., Noorb, K.I., Safdarb, F.: On strongly generalized convex functions. FILOMAT 31(18), 5783–5790 (2017) Chu, Y.-M., Adil Khan, M., Ali, T., Dragomir, S.S.: Inequalities for α-fractional differentiable functions. J. Inequal. Appl. 2017, 93 (2017) Delavar, M.R., Dragomir, S.S.: On η-convexity. Math. Inequal. Appl. 20(1), 203–216 (2017) Gordji, M.E., Dragomir, S.S., Delavar, M.R.: An inequality related to η-convex functions (II). Int. J Nonlinear Anal. Appl. 6(2), 26–32 (2015) Gordji, M.E., Delavar, M.R., Sen, M.D.L.: On φ-convex functions. J. Math. Inequal. 10(1), 173–183 (2016) Kermausuor, S., Nwaeze, E.R.: Some new inequalities involving the Katugampola fractional integrals for strongly η-convex functions. Tbilisi Math. J. 12(1), 117–130 (2019) Kermausuor, S., Nwaeze, E.R., Tameru, A.M.: New integral inequalities via the Katugampola fractional integrals for functions whose second derivatives are strongly η-convex. Mathematics 7(2), Article ID 183 (2019) Adil Khan, M., Begum, S., Khurshid, Y., Chu, Y.M.: Ostrowski type inequalities involving conformable fractional integrals. J. Inequal. Appl. 2018, 70 (2018) Adil Khan, M., Khurshid, Y., Du, T., Chu, Y.-M.: Generalization of Hermite–Hadamard type inequalities via conformable fractional integrals. Journal of Function Spaces 2018, Article ID 5357463 (2018) Ion, D.A.: Some estimates on the Hermite–Hadamard inequality through quasi-convex functions. Annals of University of Craiova, Math. Comp. Sci. Ser. 34, 82–87 (2007) Iqbal, A., Adil Khan, M., Ullah, S., Kashuri, A., Chu, Y.-M.: Hermite–Hadamard type inequalities pertaining conformable fractional integrals and their applications. AIP advances 8(075101), 1–18 (2018) Khan, M.A., Khurshid, Y., Ali, T.: Hermite–Hadamard inequality for fractional integrals via η-convex functions. Acta Math. Univ. Comenianae. LXXXVI(1), 153–164 (2017) Adil Khan, M., Iqbal, A., Suleman, M., Chu, Y.-M.: Hermite–Hadamard type inequalities for fractional integrals via green function. J. Inequal. Appl. 2018, 161 (2018) Khurshid, Y., Adil Khan, M., Chu, Y.-M.: Hermite–Hadamard–Fejer inequalities for conformable fractional integrals via preinvex functions. Journal of Function Spaces 2019, Article ID 3146210 (2019) Liu, W.J.: New integral inequalities via \((\mathfrak {\alpha }, m)\)-convexity and quasi-convexity. Hacet. J. Math. Stat. 42, 289–297 (2013) Nwaeze, E.R., Torres, D.F.M.: New inequalities for η-quasiconvex functions. In: Anastassiou, G., Rassias, J. (eds.) Frontiers in Functional Equations and Analytic Inequalities (FEAI). Springer, New York. Accepted Nwaeze, E.R., Torres, D.F.M.: Novel results on the Hermite–Hadamard kind inequality for η-convex functions by means of the \((k,r)\)-fractional integral operators. In: Dragomir, S.S., Agarwal, P., Jleli, M., Samet, B. (eds.) Advances in Mathematical Inequalities and Applications (AMIA). Trends in Mathematics, pp. 311–321. Birkhäuser, Singapore (2018) Nwaeze, E.R.: Generalized fractional integral inequalities by means of quasiconvexity. Adv. Diff. Equ. 2019, 262 (2019) Nwaeze, E.R.: Inequalities of the Hermite–Hadamard type for quasi-convex functions via the \((k,s)\)-Riemann–Liouville fractional integrals. Fractional Differ. Calc. 8(2), 327–336 (2018) Nwaeze, E.R., Kermausuor, S., Tameru, A.M.: Some new k-Riemann–Liouville fractional integral inequalities associated with the strongly η-quasiconvex functions with modulus \(\mu \geq 0\). J. Inequal. Appl. 2018, 139 (2018) Ozdemir, M.E., Set, E., Alomari, M.: Integral inequalities via several kinds of convexity. Creat. Math. Inform. 20(1), 62–73 (2011) Tunç, M., Şanal, Ü.: Some perturbed trapezoid inequalities for convex, s-convex and tgs-convex functions and applications. Tbil. Math. J. 8(2), 87–102 (2015)