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作者:Abbas Kareem Wanas , Abdulrahman H. Majeed
来源:[J].International Journal of Analysis and Applications, 2018, Vol.16 (4), pp.594-604
摘要:By making use of the principle of subordination, we introduce a new class for higher- order derivatives of multivalent analytic functions associated with Dziok-Srivastava operator. Also we obtain some results for this class.
作者:Abbas Kareem Wanas , Firas Hussean Maghool
来源:[J].Engineering Mathematics Letters, 2019, Vol.2019
摘要:In this paper, we define and investigate a new class for higher-order derivatives of harmonic multivalent functions. We obtain coefficient inequalities, distortion bounds, extreme points, convex combination. Our results extend corresponding previously known results.
作者:Abbas Kareem Wanas
来源:[J].Asian-European Journal of Mathematics, 2015, Vol.8 (1)
摘要:In this paper, we obtain some subordination and superordination results for higher-order derivatives of multivalent analytic functions in the open unit disk by generalized Noor integral operator. These results are applied to obtain sandwich results. Our results extend correspondi...

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