A generalized polygamma function

A generalized polygamma function
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广义多伽玛函数

DOI:
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发表时间:
2003
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通讯作者:
V. Moll
V. Moll
中科院分区:
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文献类型:
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作者:
O. Espinosa;V. Moll

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本文研究了函数f(z,q)的性质(广义polygamma函数),与Hurwitz zeta函数密切相关,并定义为变量z和q的复值,它在变量z中是整函数,并简化为通常的polygamma函数,其中z是非负整数m,以及在文献[5]中引入的平衡的λ apolygamma函数λ(−m)(q),其中z是负整数−m。* 电子邮件:奥利弗.埃斯皮诺萨fis.utfsm.cl
We study the properties of a function ψ(z, q) (the generalized polygamma function), intimately connected with the Hurwitz zeta function and defined for complex values of the variables z and q, which is entire in the variable z and reduces to the usual polygamma function ψ(m)(q) for z a non-negative integer m, and to the balanced negapolygamma function ψ(−m)(q) introduced in Ref. [5] for z a negative integer −m. *E-mail: oliver.espinosa@fis.utfsm.cl