On p-adic multiple zeta and log gamma functions

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We define p-adic multiple zeta and log gamma functions using multiple Volkenborn integrals, and develop some of their properties. Although our functions are close analogues of classical Barnes multiple zeta and log gamma functions and have many properties similar to them, we find that our p-adic analogues also satisfy reflection functional equations which have no analogues to the complex case. We conclude with a Laurent series expansion of the p-adic multiple log gamma function for (. p-adically) large x which agrees exactly with Barnes's asymptotic expansion for the (complex) multiple log gamma function, with the fortunate exception that the error term vanishes. Indeed, it was the possibility of such an expansion which served as the motivation for our functions, since we can use these expansions computationally to p-adically investigate conjectures of Gross, Kashio, and Yoshida over totally real number fields. Video: For a video summary of this paper, please click here or visit http://www.youtube.com/watch?v=I9Bv_CycEd8. © 2011 Elsevier Inc.




Tangedal, B. A., & Young, P. T. (2011). On p-adic multiple zeta and log gamma functions. Journal of Number Theory, 131(7), 1240–1257. https://doi.org/10.1016/j.jnt.2011.01.010

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