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Application of the Hurwitz Zeta Function to the Evaluation of Certain Integrals
Published online by Cambridge University Press: 20 November 2018
Abstract
The Hurwitz zeta function ζ(s, a) is defined by the series
for 0 < a ≤ 1 and σ = Re(s) > 1, and can be continued analytically to the whole complex plane except for a simple pole at s = 1 with residue 1. The integral functions C(s, a) and S(s, a) are defined in terms of the Hurwitz zeta function as follows:
Using integral representations of C(s, a) and S(s, a), we evaluate explicitly a class of improper integrals. For example if 0 < a < 1 we show that
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- Copyright © Canadian Mathematical Society 1993
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