Asymptotic Growth of Moduli of m-th Derivatives of Algebraic Polynomials in Weighted Bergman Spaces on Regions Without Zero Angles

In this paper, we study asymptotic bounds on the m-th derivatives of general algebraic polynomials in weighted Bergman spaces. We consider regions in the complex plane defined by bounded, piecewise, asymptotically conformal curves with strictly positive interior angles. We first establish asymptotic bounds on the growth in the exterior of a given unbounded region. We then extend our analysis to the closures of the region and derive the corresponding growth bounds. Combining these bounds with those for the corresponding exterior, we obtain comprehensive bounds on the growth of the m-th derivatives of arbitrary algebraic polynomials in the whole complex plane.

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Journal
Axioms
Published
2025-05-19
DOI
https://doi.org/10.3390/axioms14050380
Primary Topic
Meromorphic and Entire Functions
Type
article
Field-Weighted Citation Impact
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article

Asymptotic Growth of Moduli of m-th Derivatives of Algebraic Polynomials in Weighted Bergman Spaces on Regions Without Zero Angles

F. G. Аbdullayev, Uğur Değer, Meerim Imashkyzy
Axioms
Meromorphic and Entire Functions
article

Asymptotic Growth of Moduli of m-th Derivatives of Algebraic Polynomials in Weighted Bergman Spaces on Regions Without Zero Angles

F. G. Аbdullayev, Uğur Değer, Meerim Imashkyzy
article en

Abstract

In this paper, we study asymptotic bounds on the m-th derivatives of general algebraic polynomials in weighted Bergman spaces. We consider regions in the complex plane defined by bounded, piecewise, asymptotically conformal curves with strictly positive interior angles. We first establish asymptotic bounds on the growth in the exterior of a given unbounded region. We then extend our analysis to the closures of the region and derive the corresponding growth bounds. Combining these bounds with those for the corresponding exterior, we obtain comprehensive bounds on the growth of the m-th derivatives of arbitrary algebraic polynomials in the whole complex plane.

AxiomsVol. 14(5)
Institute of Mathematics and Mechanics (AZ), Kyrgyz-Türkish Manas Üniversity (KG), Mersin Üniversitesi (TR)
Openalex Percentile: Top 84%
Meromorphic and Entire Functions
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