On Starlike and Convex Functions with Respect to 𝑘-Symmetric Points

Abstract

We introduce new subclasses 𝑆𝜎,𝑠𝑘(𝜆,𝛿,𝜙) and 𝐾𝜎,𝑠𝑘(𝜆,𝛿,𝜙) of analytic functions with respect to 𝑘-symmetric points defined by differential operator. Some interesting properties for these classes are obtained.