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Authors: LUMINIȚA IOANA COTÎRLĂ, OLGA ENGEL, RÓBERT SZÁSZ.
Received 24February 2023; Accepted 19 June 2023. Published Online: 2023-09-30
Published Print: 2023-09-30
pp. 517-526
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Giving the sharp version of an univalence condition means to give the final response to an open question. We prove in this paper the sharp version of a starlikeness condition. The basic tool in our study is the convolution theory. We present a short history of the problem before the proof of the main result.
Mathematics Subject Classification (2010): 30C45, 30A10.
Keywords: Starlikeness, convexity, analytic functions, Alexander operator, Herglotz representation formula.
