Subordination and superordination preserving properties for families of integral operators for meromorphic functions
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DOI: 10.1007/s13324-020-00354-7
Abstract: In this paper we obtain subordination, superordination, and sandwich-type results related to certain family of integral operators defined on the space of meromorphic functions in the open unit disk. Also, an application of the subordination… read more here.
Keywords: subordination superordination; superordination; meromorphic functions; superordination preserving ... See more keywords
New Results on Fourth-Order Differential Subordination and Superordination for Univalent Analytic Functions Involving a Linear Operator
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DOI: 10.3390/sym14020324
Abstract: We present several new results for fourth-order differential subordination and superordination in this paper by using the differential linear operator . Relevant connections between the new results presented here and those considered in previous works… read more here.
Keywords: new results; fourth order; superordination; differential subordination ... See more keywords