Coefficient estimates and the Fekete-Szeg o problem for certain classes of polyharmonic mappings
Chen, Jiaolong · Rasila, Antti · Wang, Xiantao
Original · EN
We give coefficient estimates for a class of close-to-convex harmonic mappings, and discuss the Fekete-Szegő problem of it. We also introduce two classes of polyharmonic mappings HSₚ and HCₚ, consider the starlikeness and convexity of them, and obtain coefficient estimates on them. Finally, we give a necessary condition for a mapping F to be in the class HCₚ.
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