On the zeros of polynomials with restricted coefficients

On the zeros of polynomials with restricted coefficients
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关于系数受限多项式的零点

DOI:
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发表时间:
1997
期刊:
影响因子:
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通讯作者:
T. Erdélyi
T. Erdélyi
中科院分区:
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文献类型:
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作者:
P. Borwein;T. Erdélyi

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真实的零。这个结果,这似乎是第一次在这个问题上,表明多项式从。T 'n不表现得像无限制的多项式。Schur 11和Szeg 6 12]以及Erd 6s和都灵[7]通过不同的方法将上述界改进为c/n log n(也见[5])。在[6]中,我们给出了一个大类多项式的真实的零点个数的c/ff的右上界,即对于所有形式为
real zeros. This result, which appears to be the first on this subject, shows that polynomials from .T’n do not behave like unrestricted polynomials. Schur 11 and by different methods Szeg6 12] and Erd6s and Turin [7] improve the above bound to c/n log n (see also [5]). In [6] we give the right upper bound of c/ff for the number of real zeros of polynomials from a large class, namely for all polynomials of the form