Completely monotonic integer degrees for a class of special functions

被引:2
|
作者
Zhu, Ling [1 ]
机构
[1] Zhejiang Gongshang Univ, Dept Math, Hangzhou 310018, Peoples R China
来源
AIMS MATHEMATICS | 2020年 / 5卷 / 04期
关键词
completely monotonic function; completely monotonic integer degree; gamma function; HYPERGEOMETRIC-FUNCTIONS; HARMONIC CONVEXITIES; HYPERBOLIC FUNCTIONS; GAMMA FUNCTION; INEQUALITIES; SERIES; BOUNDS;
D O I
10.3934/math.2020224
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
Let f(n)(x) (n = 0, 1, . . .) be the remainders for the asymptotic formula of ln Gamma(x) and R-n(x) = (-1)(n) f(n)(x). This paper introduced the concept of completely monotonic integer degree and discussed the ones for the functions (-1)(m) R-n((m))(x), then demonstrated the correctness of the existing conjectures by using a elementary simple method. Finally, we propose some operational conjectures which involve the completely monotonic integer degrees for the functions (-1)(m) R-n((m))(x) for m = 0, 1, 2, . . ..
引用
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页码:3456 / 3471
页数:16
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