On new classes of analytic functions with negative coefficients

Shigeyoshi Owa

International Journal of Mathematics and Mathematical Sciences, 1984, vol. 7, 1-12

Abstract:

We introduce the classes K n * of analytic functions with negative coefficients by using the n th order Ruscheweyh derivative. The object of the present paper is to show coefficient inequalities and some closure theorems for functions f ( z ) in K n * . Further we consider the modified Hadamard product of functions f i ( z ) in K n i * ( n = 1 , 2 , … , m ) .

Date: 1984
References: Add references at CitEc
Citations:

Downloads: (external link)
http://downloads.hindawi.com/journals/IJMMS/7/916076.pdf (application/pdf)
http://downloads.hindawi.com/journals/IJMMS/7/916076.xml (text/xml)

Related works:
This item may be available elsewhere in EconPapers: Search for items with the same title.

Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text

Persistent link: https://EconPapers.repec.org/RePEc:hin:jijmms:916076

DOI: 10.1155/S0161171284000752

Access Statistics for this article

More articles in International Journal of Mathematics and Mathematical Sciences from Hindawi
Bibliographic data for series maintained by Mohamed Abdelhakeem ().