English

An extension of Nunokawa lemma and its example

Complex Variables 2013-02-28 v1

Abstract

For analytic functions p(z) in the open unit disk U with p(0)=1, Nunokwa has given a result which called Nunokawa lemma (Proc. Japan Acad., Ser. A 68 (1992)). By studying Nunokawa lemma, we obtain this expansion. In this paper, we introduce this result and its example.

Keywords

Cite

@article{arxiv.1302.6903,
  title  = {An extension of Nunokawa lemma and its example},
  author = {Hitoshi Shiraishi and Mamoru Nunokawa},
  journal= {arXiv preprint arXiv:1302.6903},
  year   = {2013}
}