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On the multivalency of certain analytic functions.

Authors :
Nunokawa, Mamoru
Sokół, Janusz
Source :
Journal of Inequalities & Applications. Sep2014, Vol. 2014, p1-9. 9p.
Publication Year :
2014

Abstract

We prove several relations of the type ∣arg{zf''(z)/f'(z)}∣ ≤ ∣arg{f'(z)}∣ for functions satisfying some geometric conditions. [ABSTRACT FROM AUTHOR]

Details

Language :
English
ISSN :
10255834
Volume :
2014
Database :
Academic Search Index
Journal :
Journal of Inequalities & Applications
Publication Type :
Academic Journal
Accession number :
102093040
Full Text :
https://doi.org/10.1186/1029-242X-2014-357