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Physical Sciences and Mathematics Commons

Open Access. Powered by Scholars. Published by Universities.®

Mathematics

University of Al-Qadisiyah

2020

Differential subordination

Articles 1 - 2 of 2

Full-Text Articles in Physical Sciences and Mathematics

New And Extended Results On Fourth-Order Differential Subordinationfor Univalent Analytic Functions, Waggas Galib Atshan, Ali Hussein Battor, Abeer Farhan Abaas, Georgia Irina Oros Apr 2020

New And Extended Results On Fourth-Order Differential Subordinationfor Univalent Analytic Functions, Waggas Galib Atshan, Ali Hussein Battor, Abeer Farhan Abaas, Georgia Irina Oros

Al-Qadisiyah Journal of Pure Science

In this paper, we introduce new concept that is fourth-order differential subordination and superordination associated with linear operator for univalent analytic functions in open unit disk. Here, we extended some lemmas. Also some interesting new results are obtained.


Differential Sandwich Resultsfor Univalent Functions, Waggas Galib Atshan, Haneen Zaghir Hassan Jan 2020

Differential Sandwich Resultsfor Univalent Functions, Waggas Galib Atshan, Haneen Zaghir Hassan

Al-Qadisiyah Journal of Pure Science

In the present paper, we obtain some subordination and superordination Results involving the integral operator for certain normalized analytic functions in the open unit disk. These results are applied to obtain sandwich results.