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2021•Kragujevac Journal of MathematicsOpen access

Sandwich Theorems for Multivalent Analytic Functions Associated with Differential Operator

Abbas Kareem Wanas, ALB LUPAŞ ALINA

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Abstract

The purpose of this paper is to derive subordination and superordination results involving differential operator for multivalent analytic functions in the open unit disk. These results are applied to obtain sandwich results. Our results extend corresponding previously known results.

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What this paper is about

The purpose of this paper is to derive subordination and superordination results involving differential operator for multivalent analytic functions in the open unit disk. These results are applied to obtain sandwich results. Our results extend corresponding previously known results.

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Available abstract

The purpose of this paper is to derive subordination and superordination results involving differential operator for multivalent analytic functions in the open unit disk. These results are applied to obtain sandwich results. Our results extend corresponding previously known results.

Key concepts: Subordination (linguistics), Unit disk, Mathematics, Analytic function, Operator (biology), Differential operator, Differential (mechanical device), Unit (ring theory)

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