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Zbl 1179.30010
Goyal, S.P.; Prajapat, J.K.
A new class of meromorphic multivalent functions involving certain linear operator.
(English)
[J] Tamsui Oxf. J. Math. Sci. 25, No. 2, 167-176 (2009). ISSN 1561-8307

Summary: Making use of a certain extended derivative operator of Ruscheweyh type, we introduce a new class $\Cal J_p(\lambda,\mu,\alpha)$ of meromorphic multivalent functions in the punctured disk $\mathbb D=\{z:0<\vert z\vert<1\}$, and obtain some sufficient conditions for the functions belonging to this class.
MSC 2000:
*30C45 Special classes of univalent and multivalent functions

Keywords: meromorphic function; starlike function; convex function

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