On a local version of Jack’s lemma

Abstract

The purpose of this paper is to provide a result which concerns with the boundary behavior of analytic functions. It may be a local version of the well known Jack’s lemma when we change the function normalization at the origin.

Keywords

• convex
• starlike
• analytic functions
• univalent functions
• jack’s lemma
• primary 30c45
• secondary 30c80