Coefficients inequalities for classes of meromorphic functions
Author(s) -
Jacek Dziok,
Maslina Darus,
Janusz Sokół
Publication year - 2018
Publication title -
turkish journal of mathematics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.454
H-Index - 27
eISSN - 1303-6149
pISSN - 1300-0098
DOI - 10.3906/mat-1703-100
Subject(s) - meromorphic function , mathematics , analytic function , pure mathematics , class (philosophy) , value (mathematics) , function (biology) , type (biology) , inequality , functional equation , algebra over a field , mathematical analysis , differential equation , statistics , artificial intelligence , evolutionary biology , computer science , biology , ecology
A typical problem in the theory of analytic functions is to study a functional made up of combinations of coefficients of the original function. Usually, there is a parameter over which the extremal value of the functional is needed. One of the important functionals of this type is the Fekete–Szegö functional defined on the class of analytic functions. In this paper we transfer the Fekete–Szegö problem to some classes of meromorphic functions.
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