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Fekete-Szegö Problems for Quasi-Subordination Classes
A gangadharan, Bs keerthi, S chinthamani
Published in Hindawi Limited
Volume: 2012
Pages: 1 - 14
An analytic functionfis quasi-subordinate to an analytic functiong, in the open unit disk if there exist analytic functionsφandw, with|φ(z)|≤1,w(0)=0and|w(z)|<1such thatf(z)=φ(z)g(w(z)). Certain subclasses of analytic univalent functions associated with quasi-subordination are defined and the bounds for the Fekete-Szegö coefficient functional|a3-μa22|for functions belonging to these subclasses are derived.
About the journal
JournalAbstract and Applied Analysis
PublisherHindawi Limited
Open AccessYes