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    STUDIA MATHEMATICA - Issue no. 3 / 2022  
         
  Article:   FEKETE-SZEGŐ INEQUALITIES FOR CERTAIN SUBCLASS OF ANALYTIC FUNCTIONS ASSOCIATED WITH QUASI-SUBORDINATION.

Authors:  SHASHI KANT, PREM PRATAP VYAS.
 
       
         
  Abstract:  
DOI: 10.24193/subbmath.2022.3.01

Published Online: 2022-09-20
Published Print: 2022-09-30
pp. 465-473

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In this present investigation, we introduce a certain subclass Sq(λ;γ; h) of analytic functions which is specify in terms of a quasi-subordination. Sharp bounds of the Fekete-Szegő coefficient for functions belonging to the class Sq(λ;γ; h) are obtained. The results presented give improved versions for the classes involving the quasi-subordination and majorization.

Mathematics Subject Classification (2010) : 30C45.
Keywords: Univalent functions, subordination, quasi-subordination, Fekete-Szegő coefficients.
 
         
     
         
         
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