The paper is a review of the latest results of I. R. Kayumov and S. Ponnusamy on the Bohr inequality. An exact estimate in the strong Bohr inequality is obtained and the Bohr–Rogosinski radius for a certain class of subordinations is examined. All results are exact. © 2021, Springer Science+Business Media, LLC, part of Springer Nature.

Saminathan Ponnusamy

Department of Mathematics

Ismagilov A.A.

Kayumova A.V.

Kayumov I.R.

IIT Madras is a public technical and research university located in Chennai, Tamil Nadu. Founded in 1959, it is recognised as an Institute of National Importance.

IIT Madras has been ranked as the top engineering institute in India for four years in a row by the National Institutional Ranking Framework of the MHRD

It currently offers undergraduate, postgraduate and research degrees across 16 disciplines in Engineering, Sciences, Humanities and Management. About 596 faculty belonging to science and engineering departments and centres of the Institute are engaged in teaching, research and industrial consultancy.

Journal	Data powered by TypesetJournal of Mathematical Sciences (United States)
Publisher	Data powered by TypesetSpringer
ISSN	10723374
Open Access	No