Logarithmically Complete Monotonicity Properties Relating to the Gamma Function

Logarithmically Complete Monotonicity Properties Relating to the Gamma Function
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DOI:
10.1155/2011/896483
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发表时间:
2011-01-01
影响因子:
--
通讯作者:
Wang, Hua
Wang, Hua
中科院分区:
其他
文献类型:
--
作者:
Zhao, Tie-Hong;Chu, Yu-Ming;Wang, Hua

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我们证明,如果 (alpha, beta) 是 {(alpha,beta): 1/root alpha 的元素,则函数 f(alpha,beta)(x) = Gamma(beta) (x + alpha) / x(alpha)Gamma(beta x) 在 (0,无穷大) 上严格对数完全单调
We prove that the function f(alpha,beta)(x) = Gamma(beta) (x + alpha) / x(alpha)Gamma(beta x) is strictly logarithmically completely monotonic on (0,infinity) if (alpha, beta) is an element of {(alpha,beta): 1/root alpha