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ON THE COEFFICIENTS OF A POLYNOMIAL WITH RESTRICTED ZEROS
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作者 Abdul Aziz W. M. Shah 《Analysis in Theory and Applications》 2009年第2期142-146,共5页
Let P(z)=anz^n+an-1z^n-1+…+a0be a complex polynomial of degree n. There is a close connection between the coefficients and the zeros of P(z). In this paper we prove some sharp inequalities concerning the coeff... Let P(z)=anz^n+an-1z^n-1+…+a0be a complex polynomial of degree n. There is a close connection between the coefficients and the zeros of P(z). In this paper we prove some sharp inequalities concerning the coefficients of the polynomial P(z) with restricted zeros. We also establish a sufficient condition for the separation of zeros of P(z). 展开更多
关键词 polynomial inequality coefficient estimate separation of zeros
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