English

New upper bounds of the third Hankel determinant for some classes of univalent functions

Complex Variables 2020-10-09 v3

Abstract

In this paper we give improved, probably not sharp, upper bounds of the Hankel determinant of third order for various classes of univalent functions and conjecture the sharp one.

Keywords

Cite

@article{arxiv.1911.10770,
  title  = {New upper bounds of the third Hankel determinant for some classes of univalent functions},
  author = {Milutin Obradovic and Nikola Tuneski},
  journal= {arXiv preprint arXiv:1911.10770},
  year   = {2020}
}

Comments

10 pages