The modular properties and the integral representations of the multiple elliptic gamma functions |
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Authors: | Atsushi Narukawa |
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Institution: | Department of Mathematics, School of Science and Engineering, Waseda University, Tokyo 169-8555, Japan |
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Abstract: | We show the modular properties of the multiple “elliptic” gamma functions, which are an extension of those of the theta function and the elliptic gamma function. The modular property of the theta function is known as Jacobi's transformation, and that of the elliptic gamma function was provided by Felder and Varchenko. In this paper, we deal with the multiple sine functions, since the modular properties of the multiple elliptic gamma functions result from the equivalence between two ways to represent the multiple sine functions as infinite products.We also derive integral representations of the multiple sine functions and the multiple elliptic gamma functions. We introduce correspondences between the multiple elliptic gamma functions and the multiple sine functions. |
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Keywords: | 33B15 33D05 33E30 11F03 |
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