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Subclasses of λ-bi-pseudo-starlike functions with respect to symmetric points based on shell-like curves
In this paper we de_ne the subclass 𝒫𝒮ℒλ 8, Σ(α,ࣤp(z)) of the class Σ of bi-univalent functions defined in the unit disk, called λ-bi-pseudo-starlike, with respect to symmetric points, related to shell-like curves connected with Fibonacci numbers. We determine the initial Taylor-Maclaurin coefficients |a2| and |a3| for functions f ∈ …