Abstract
We construct p-adic multiple L-functions in several variables, which are generalizations of the classical Kubota–Leopoldt p-adic L-functions, by using a specific p-adic measure. Our construction is from the p-adic analytic side of view, and we establish various fundamental properties of these functions. (a) Evaluation at non-positive integers: We establish their intimate connection with the complex multiple zeta-functions by showing that the special values of the p-adic multiple L-functions at non-positive integers are expressed by the twisted multiple Bernoulli numbers, which are the special values of the complex multiple zeta-functions at non-positive integers. (b) Multiple Kummer congruences: We extend Kummer congruences for Bernoulli numbers to congruences for the twisted multiple Bernoulli numbers. (c) Functional relations with a parity condition: We extend the vanishing property of the Kubota–Leopoldt p-adic L-functions with odd characters to our p-adic multiple L-functions. (d) Evaluation at positive integers: We establish their close relationship with the p-adic twisted multiple star polylogarithms by showing that the special values of the p-adic multiple L-functions at positive integers are described by those of the p-adic twisted multiple star polylogarithms at roots of unity, which generalizes the result of Coleman in the single variable case.
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Notes
In this paper, TMSPL stands for the twisted multiple star polylogarithm.
We remind that TMSPL stands for the twisted multiple star polylogarithm (see §0).
Here, we ignore the multiplicity.
We note that it also follows from the fact that it is a rational function on w whose poles are all of the form \(w=\frac{1}{\zeta _p-1}\) with \(\zeta _p\in \mu _p\).
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Acknowledgments
The authors express their sincere gratitude to the referee for important suggestions and to Dr. Stefan Horocholyn for linguistic advice. Also they wish to express their thanks to the Isaac Newton Institute for Mathematical Sciences, Cambridge, and the Max Planck Institute for Mathematics, Bonn, where parts of this work were carried out in 2013.
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Research of the authors supported by Grants-in-Aid for Science Research (No. 24684001 for HF, No. 25400026 for YK, No. 25287002 for KM, No. 15K04788 for HT, respectively), JSPS.
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Furusho, H., Komori, Y., Matsumoto, K. et al. Fundamentals of p-adic multiple L-functions and evaluation of their special values. Sel. Math. New Ser. 23, 39–100 (2017). https://doi.org/10.1007/s00029-016-0233-2
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DOI: https://doi.org/10.1007/s00029-016-0233-2
Keywords
- p-adic multiple L-function
- p-adic multiple polylogarithm
- Multiple Kummer congruence
- Coleman’s p-adic integration theory