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Bounds on autocorrelation coefficients of Rudin–Shapiro polynomials II
Journal of Approximation Theory ( IF 0.9 ) Pub Date : 2020-02-24 , DOI: 10.1016/j.jat.2020.105390 Stephen Choi
中文翻译:
Rudin–Shapiro多项式II的自相关系数的界
更新日期:2020-02-24
Journal of Approximation Theory ( IF 0.9 ) Pub Date : 2020-02-24 , DOI: 10.1016/j.jat.2020.105390 Stephen Choi
We study the (periodic) autocorrelation coefficients of the Rudin–Shapiro polynomials and prove that
Theorem. If and are the nth Rudin–Shapiro polynomials and (, , ), then where is the real root of .
Also, if we let (, , ), then which was conjectured by Saffari (0000) [7] 40 years ago. This improves previous results in Allouche et al. (2019) and makes the upper bound of the correct order of infinity.
中文翻译:
Rudin–Shapiro多项式II的自相关系数的界
我们研究了Rudin–Shapiro多项式的(周期)自相关系数,并证明了
定理。 如果 和 是第n个Rudin–Shapiro多项式, (, , ),然后 哪里 是...的真正根源 。
另外,如果我们让 (, , ),然后 这是40年前Saffari(0000)[7]的推测。这改善了Allouche等人的先前结果。(2019),并设定无穷大的正确阶数的上限。