Abstract:We introduce a new Roper-Suffridge extension operator on the following Reinhardt domaingiven bywherefis a normalized locally biholomorphic function on the unit discD,pjare positive integer,ajare complex constants, andj=2,…,n. Some conditions forajare found under which the operator preserves almost starlike mappings of orderαand starlike mappings of orderα, respectively. In particular, our results reduce to many well-known results when allαj=0.
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