Title of article
Some simple sufficient conditions for starlikeness and convexity
Author/Authors
Tuneski، نويسنده , , Nikola، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2009
Pages
5
From page
693
To page
697
Abstract
Let A be the class of analytic functions in the unit disc that are of the form f ( z ) = z + a 2 z 2 + ⋯ . In this work the expressions f ′ ( z ) − ( 1 − γ ) f ( z ) / z and z f ″ ( z ) − γ f ′ ( z ) , 0 < γ ≤ 1 , are studied, as sufficient conditions for starlikeness and convexity.
Keywords
convexity , Analytic Function , Sufficient condition , Subordination , starlikeness
Journal title
Applied Mathematics Letters
Serial Year
2009
Journal title
Applied Mathematics Letters
Record number
1525913
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