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Differential superordination defined by Sălăgean operator. (English) Zbl 1092.30042
Summary: By using the Sălăgean operator \(D^n f\), we introduce a class of holomorphic functions denoted by \(S(\alpha)\) and we obtain some superordinations results related to this class.

MSC:
30C80 Maximum principle, Schwarz’s lemma, Lindelöf principle, analogues and generalizations; subordination
30C45 Special classes of univalent and multivalent functions of one complex variable (starlike, convex, bounded rotation, etc.)
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