Some inequalities for self-reciprocal polynomials

被引:0
|
作者
Aziz, A [1 ]
Zargar, BA [1 ]
机构
[1] UNIV KASHMIR,POSTGRAD DEPT MATH,SRINAGAR 190006,JAMMU & KASHMIR,INDIA
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中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
Let P(z) equivalent to P-1(z) + iP(2)(z) be a self-reciprocal polynomial of degree n. In this paper we estimate maximum modulus of P(')1(z) + P-2'(z) on the unit circle in terms of the maximum modulus of P(z) on the unit circle and its degree and obtain a sharp result.
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页码:791 / 794
页数:4
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