English

Improved Bohr's phenomenon in quasi-subordination classes

Complex Variables 2021-03-25 v2

Abstract

Recently the present authors established refined versions of Bohr's inequality in the case of bounded analytic functions. In this article, we state and prove a generalization of these results in a reformulated "distance form" version and thereby we extend the refined versions of the Bohr inequality for the class of the quasi-subordinations which contains both the classes of majorization and subordination as special cases. As a consequence, we obtain several new results.

Keywords

Cite

@article{arxiv.1909.00780,
  title  = {Improved Bohr's phenomenon in quasi-subordination classes},
  author = {Saminathan Ponnusamy and Ramakrishnan Vijayakumar and Karl-Joachim Wirths},
  journal= {arXiv preprint arXiv:1909.00780},
  year   = {2021}
}

Comments

10 pages

R2 v1 2026-06-23T11:03:17.926Z