Number of Zeros of a Polynomial (Lacunary-type) in a Disk

To the best knowledge of the author, there has been no similar Gallai-type equality so far for total domination number in the literature.. In this paper we will provide such

Keywords and Phrases: Polynomial, Inequality, Maximum modulus, Polar Deriva- tive, Restricted Zeros.. 1 Introduction and statement

On the Derivative of a Polynomial with Prescribed Zeros.

Turan, ¨ Uber die Ableitung von Polynomen, Compositio

Kakeya, On the limits of the roots of an algebraic equation with positive coefficients, Tohoku Math. Landau, Sur quelques generalisations du theoreme

Liman, Zeros of certain polynomials and analytic func- tions with restricted coefficients, Journal of Classical Analysis 2 (2014) 149–157..

Our refinement is also a refinement of Dewan and Pukhta’s refine- ment of Ankeny and

In other papers, there are considered some sufficient conditions in order that components of all nontrivial solutions o f systems o f differential equations have