General Univalence Criterion Associated with the nth Derivative
For normalized analytic functions f(z) with f(z)≠0 for 0<|z|<1, we introduce a univalence criterion defined by sharp inequality associated with the nth derivative of z/f(z), where n∈{3,4,5,…}.
Main Authors: | , |
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Format: | Article |
Language: | English |
Published: |
Hindawi Limited
2012-01-01
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Series: | Abstract and Applied Analysis |
Online Access: | http://dx.doi.org/10.1155/2012/307526 |