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Sums of powers of roots via Bell polynomials
Integral Transforms and Special Functions ( IF 1 ) Pub Date : 2021-06-14 , DOI: 10.1080/10652469.2021.1939327 Christopher S. Withers 1 , Saralees Nadarajah 2
中文翻译:
通过贝尔多项式求根的幂和
更新日期:2021-06-14
Integral Transforms and Special Functions ( IF 1 ) Pub Date : 2021-06-14 , DOI: 10.1080/10652469.2021.1939327 Christopher S. Withers 1 , Saralees Nadarajah 2
Affiliation
Consider a function with a power series expansion and roots . We give two methods for obtaining the sums of powers of these roots, The first is by expressing Girard's formula in terms of Bell polynomials. Explicit expressions are given for for . The second method is through generating functions.
中文翻译:
通过贝尔多项式求根的幂和
考虑一个具有幂级数展开和根的函数. 我们给出了两种方法来获得这些根的幂和,第一种是用贝尔多项式表达吉拉德公式。给出了明确的表达式为了. 第二种方法是通过生成函数。