We introduce and study a subclass Σ P γ, k, λ, c of meromorphic univalent functions defined by certain linear operator involving the generalized hypergeometric function. We obtain coefficient estimates, extreme points, growth and distortion inequalities, radii of meromorphic starlikeness, and convexity for the class Σ P γ, k, λ, c by fixing the second coefficient. Further, it is shown that the class Σ P γ, k, λ is closed under convex linear combination.

We introduce and study a subclass of harmonic convex functions of complex order. Coefficient bounds, extreme points, distortion bounds, convolution conditions, and convex combination are determined for functions in this class. Further, we obtain the closure property of this class under integral operator.

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