Coefficient Estimates for Quasi-Subordination Classes Connected with the Combination of q -Convolution and Error Function

Sheza M. El-Deeb and Luminita-Ioana Cotîrlă ()
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Sheza M. El-Deeb: Department of Mathematics, College of Science and Arts, Al-Badaya, Qassim University, Buraidah 52571, Saudi Arabia
Luminita-Ioana Cotîrlă: Department of Mathematics, Technical University of Cluj-Napoca, 400114 Cluj-Napoca, Romania

Mathematics, 2023, vol. 11, issue 23, 1-10

Abstract: We utilize quasi-subordination to analyze and introduce several new classes, and we construct a new operator by combining the error function and q -convolution. Additionally, we obtain estimates for the Fekete Szego functional and the Taylor–Maclaurin coefficients for functions in c 2 and c 3 new classes. Moreover, we discuss some applications of the operator.

Keywords: analytic; convolution; q -derivative; error function; quasi-subordination (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2023
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