Two integral representations for the logarithm of the Glaisher-Kinkelin constant
Abstract
We present two integral representations of the logarithm of the Glaisher-Kinkelin constant. Both are based on a definite integral of [(x + 1)], being the usual Gamma function. The first one relies on an integral representation of [(x + 1)] due to Binet, and the second one results from the so-called Malmst\'en formula. The numerical evaluation is easier with the latter expression than with the former.
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