Some New Inequalities on Laplace–Stieltjes Transforms Involving Logarithmic Growth

This article is devoted to exploring the properties on the logarithmic growth of entire functions represented by Laplace–Stieltjes transforms of zero order. In order to describe the growth of Laplace–Stieltjes transforms more finely, we introduce some concepts of the logarithmic indexes of the maxim...

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Main Authors: Hongyan Xu, Hong Li, Zuxing Xuan
Format: Article
Language:English
Published: MDPI AG 2022-04-01
Series:Fractal and Fractional
Subjects:
Online Access:https://www.mdpi.com/2504-3110/6/5/233
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author Hongyan Xu
Hong Li
Zuxing Xuan
author_facet Hongyan Xu
Hong Li
Zuxing Xuan
author_sort Hongyan Xu
collection DOAJ
description This article is devoted to exploring the properties on the logarithmic growth of entire functions represented by Laplace–Stieltjes transforms of zero order. In order to describe the growth of Laplace–Stieltjes transforms more finely, we introduce some concepts of the logarithmic indexes of the maximum term and the center index of the maximum term of Laplace–Stieltjes transforms, and establish some new inequalities focusing on the above logarithmic indexes, the logarithmic order, the (lower) logarithmic type and the coefficients of Laplace–Stieltjes transforms. Moreover, we obtain two estimation forms on the (lower) logarithmic type of entire functions represented by Laplace–Stieltjes transform by applying these inequalities. One estimation is mainly by the center indexes of the maximum term, the other is by the logarithmic order, exponent and coefficients. Finally, we obtain the equivalence condition of entire functions with the perfectly logarithmic linear growth. This result shows that the two estimation forms can be equivalent to some extent.
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spelling doaj.art-6f8fbd0526a74afd806b79766c6db0a72023-11-23T11:03:15ZengMDPI AGFractal and Fractional2504-31102022-04-016523310.3390/fractalfract6050233Some New Inequalities on Laplace–Stieltjes Transforms Involving Logarithmic GrowthHongyan Xu0Hong Li1Zuxing Xuan2School of Mathematics and Computer Science, Gannan Normal University, Ganzhou 341000, ChinaSchool of Mathematics and Computer Science, Gannan Normal University, Ganzhou 341000, ChinaDepartment of General Education, Beijing Union University, No. 97 Beisihuan Dong Road, Chaoyang District, Beijing 100101, ChinaThis article is devoted to exploring the properties on the logarithmic growth of entire functions represented by Laplace–Stieltjes transforms of zero order. In order to describe the growth of Laplace–Stieltjes transforms more finely, we introduce some concepts of the logarithmic indexes of the maximum term and the center index of the maximum term of Laplace–Stieltjes transforms, and establish some new inequalities focusing on the above logarithmic indexes, the logarithmic order, the (lower) logarithmic type and the coefficients of Laplace–Stieltjes transforms. Moreover, we obtain two estimation forms on the (lower) logarithmic type of entire functions represented by Laplace–Stieltjes transform by applying these inequalities. One estimation is mainly by the center indexes of the maximum term, the other is by the logarithmic order, exponent and coefficients. Finally, we obtain the equivalence condition of entire functions with the perfectly logarithmic linear growth. This result shows that the two estimation forms can be equivalent to some extent.https://www.mdpi.com/2504-3110/6/5/233logarithmic order(lower) logarithmic typeLaplace–Stieltjes transforminequalities
spellingShingle Hongyan Xu
Hong Li
Zuxing Xuan
Some New Inequalities on Laplace–Stieltjes Transforms Involving Logarithmic Growth
Fractal and Fractional
logarithmic order
(lower) logarithmic type
Laplace–Stieltjes transform
inequalities
title Some New Inequalities on Laplace–Stieltjes Transforms Involving Logarithmic Growth
title_full Some New Inequalities on Laplace–Stieltjes Transforms Involving Logarithmic Growth
title_fullStr Some New Inequalities on Laplace–Stieltjes Transforms Involving Logarithmic Growth
title_full_unstemmed Some New Inequalities on Laplace–Stieltjes Transforms Involving Logarithmic Growth
title_short Some New Inequalities on Laplace–Stieltjes Transforms Involving Logarithmic Growth
title_sort some new inequalities on laplace stieltjes transforms involving logarithmic growth
topic logarithmic order
(lower) logarithmic type
Laplace–Stieltjes transform
inequalities
url https://www.mdpi.com/2504-3110/6/5/233
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