Journal of Mathematical Sciences and Applications
ISSN (Print): 2333-8784 ISSN (Online): 2333-8792 Website: http://www.sciepub.com/journal/jmsa Editor-in-chief: Prof. (Dr.) Vishwa Nath Maurya, Cenap ozel
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Journal of Mathematical Sciences and Applications. 2014, 2(2), 25-27
DOI: 10.12691/jmsa-2-2-3
Open AccessArticle

Growth of Polynomials not Vanishing inside a Circle

Gulshan Singh1,

1Department of Mathematics Jammu and Kashmir State Government of Education India

Pub. Date: July 28, 2014

Cite this paper:
Gulshan Singh. Growth of Polynomials not Vanishing inside a Circle. Journal of Mathematical Sciences and Applications. 2014; 2(2):25-27. doi: 10.12691/jmsa-2-2-3

Abstract

is a polynomial of degree n, having no zeros in |z| < 1, then it was proved by Aziz and Dawood, [J. Approx. Theory, 53 (1988), 155-162] that for R≥1, In this paper, we refine above result for the polynomials P(z) of degree n≥4.

Keywords:
polynomial zeros inequalities growth

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References:

[1]  N. C. Ankeny and T. J. Rivlin, On a theorem of S. Bernstein, Pacific J. Math., 5 (1955), 849-852.
 
[2]  A. Aziz and Q. M. Dawood, Inequalities for a polynomial and its derivative, J. Approx. Theory, 53 (1988), 155-162.
 
[3]  K. K. Dewan, Naresh Singh and Abdullah Mir, Growth of polynomials not vanishing inside a circle, Int. Journal of Math. Analysis, 1 (11) (2007), 529-538.
 
[4]  M. Riesz, FIU ber einen Satz Herm Serge Bernstein, Acta Math., 40 (1916), 337-343.