Polygamma functions of negative order
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Victor S. Adamchik
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Article
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1998
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Elsevier Science
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English
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Liouville's fractional integration is used to define polygamma functions ~,(")(z) for negative integer n. It is shown that such ~k(n)(z) can be represented in a closed form by means of the first derivatives of the Hurwitz Zeta function. Relations to the Barnes G-function and generalized Glaisher's c