Delta Calculus on Time Scale Formulas That Are Similar to Hilbert-Type Inequalities

Author:

Rezk Haytham M.1ORCID,Valdés Juan E. Nápoles2ORCID,Ali Maha3,Saied Ahmed I.4,Zakarya Mohammed5ORCID

Affiliation:

1. Department of Mathematics, Faculty of Science, Al-Azhar University, Nasr City 11884, Egypt

2. Facultad de Ciencias Exactas y Naturales y Agrimensura, Universidad Nacional del Nordeste, Av. Libertad 5450, Corrientes 3400, Argentina

3. Department of Mathematics, College of Arts and Sciences, King Khalid University, P.O. Box 64512, Abha 62529, Sarat Ubaidah, Saudi Arabia

4. Department of Mathematics, Faculty of Science, Benha University, Benha 13511, Egypt

5. Department of Mathematics, College of Science, King Khalid University, P.O. Box 9004, Abha 61413, Saudi Arabia

Abstract

In this article, we establish some new generalized inequalities of the Hilbert-type on time scales’ delta calculus, which can be considered similar to formulas for inequalities of Hilbert type. The major innovation point is to establish some dynamic inequalities of the Hilbert-type on time scales’ delta calculus for delta differentiable functions of one variable and two variables. In this paper, we use the condition aj(sj)=0 and aj(sj,zj)=aj(wj,nj)=0, ∀j=1,2,…,n. These inequalities will be proved by applying Hölder’s inequality, the chain rule on time scales, and the mean inequality. As special cases of our results (when T=N and T=R), we obtain the discrete and continuous inequalities. Also, we can obtain other inequalities in different time scales, like T=qZ−, q>1.

Funder

Deanship of Scientific Research at King Khalid University

Publisher

MDPI AG

Subject

General Mathematics,Engineering (miscellaneous),Computer Science (miscellaneous)

Reference21 articles.

1. Hilbert, D. (1906). Grundzüge Einer Allgemeinen Theorie der Linearen Intergraleichungen, Verlag.

2. Bernerkungen sur theorie der beschrankten Bilinearformen mit unendlich vielen veranderlichen;Schur;J. Math.,1911

3. Note on a theorem of Hilbert Concerning Series of Positive Term;Hardy;Proc. Lond. Math. Soc.,1925

4. Hardy, G.H., Littlewood, J.E., and Pólya, G. (1952). Inequalities, Cambridge University Press.

5. Inequalities Similar to Certain Extensions of Hilbert’s Inequality;Pachpatte;J. Math. Anal. Appl.,2000

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