A1 Refereed original research article in a scientific journal

Notes on the norm of pre-Schwarzian derivatives of certain analytic functions



Authors: Rahim Kargar

Publisher: UNIV BABES-BOLYAI

Publication year: 2020

Journal: Studia Universitatis Babes-Bolyai. Mathematica

Journal name in source: STUDIA UNIVERSITATIS BABES-BOLYAI MATHEMATICA

Journal acronym: STUD U BABES-BOL MAT

Volume: 65

Issue: 3

First page : 357

Last page: 363

Number of pages: 7

ISSN: 0252-1938

eISSN: 2065-961x

DOI: https://doi.org/10.24193/subbmath.2020.3.04

Self-archived copy’s web address: https://research.utu.fi/converis/portal/detail/Publication/50597824


Abstract
In this paper, we obtain sharp bounds for the norm of pre-Schwarzian derivatives of certain analytic functions. Initially this problem was handled by H. Rahmatan, Sh. Najafzadeh and A. Ebadian [Stud. Univ. Babes-Bolyai Math. 61(2016), no. 2, 155-162]. We pointed out that their proofs are incorrect and present correct proofs.

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Last updated on 2024-26-11 at 12:49