Some Differential Subordination and Superordination Results of p-valent Functions Defined by Differential Operator
Waggas Galib Atshan, Rasha Abbas Hadi
Abstract
In the present paper, we obtain some subordination and superordination results for certain multivalent functions in the open disc U by using differential operator . Also, we derive some sandwich theorems.
Topics & Concepts
Subordination (linguistics)Differential (mechanical device)Operator (biology)MathematicsDifferential operatorUnivalent functionMathematical analysisPure mathematicsAnalytic functionPhysicsChemistryGeneTranscription factorThermodynamicsPhilosophyRepressorBiochemistryLinguisticsAnalytic and geometric function theoryPolymer Synthesis and CharacterizationX-ray Diffraction in Crystallography