Systems of Simultaneous Differential Inclusions Implying Function Containment

José A. Antonino and Sanford S. Miller
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José A. Antonino: Departamento de Matemática Aplicada, ETSICCP, Universidad Politécnica de Valencia, 46071 Valencia, Spain
Sanford S. Miller: Department of Mathematics, SUNY Brockport, Brockport, NY 14420, USA

Mathematics, 2021, vol. 9, issue 11, 1-10

Abstract: An important problem in complex analysis is to determine properties of the image of an analytic function p defined on the unit disc U from an inclusion or containment relation involving several of the derivatives of p . Results dealing with differential inclusions have led to the development of the field of Differential Subordinations, while results dealing with differential containments have led to the development of the field of Differential Superordinations. In this article, the authors consider a mixed problem consisting of special differential inclusions implying a corresponding containment of the form D [ p ] ( U ) ? ? ? ? ? p ( U ) , where ? and ? are sets in C , and D is a differential operator such that D [ p ] is an analytic function defined on U . We carry out this research by considering the more general case involving a system of two simultaneous differential operators in two unknown functions.

Keywords: differential inclusions; differential containments; differential inequalities; differential subordinations; univalent functions (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2021
References: View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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