Strong differential subordination

Authors: GEORGIA IRINA OROS, GHEORGHE OROS

Abstract: The concept of differential subordination was introduced in [4] by S. S. Miller and P. T. Mocanu and the concept of strong differential subordination was introduced in [1] by J. A. Antonino and S. Romaguera. This last concept was applied in the special case of Briot-Bouquet strong differential subordination. In this paper we study the strong differential subordinations in the general case, following the general theory of differential subordinations presented in [4].

Keywords: Analytic function, differential subordination, subordination, strong subordination, univalent function.

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