Authors
Rosihan M Ali, Saiful R Mondal, V Ravichandran
Publication date
2015/5
Journal
Bulletin of the belgian mathematical society-simon stevin
Volume
22
Issue
2
Pages
227-250
Publisher
The Belgian Mathematical Society
Description
For , conditions on , , , are determined that ensure the confluent hypergeometric function satisfies the subordination . This gives rise to conditions for to be close-to-convex, to be Janowski convex, and to be Janowski starlike.
Scholar articles
RM Ali, SR Mondal, V Ravichandran - Bulletin of the belgian mathematical society-simon …, 2015