The universality of zeta-functions attached to certain cusp forms (Q2717634)

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scientific article; zbMATH DE number 1605229
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The universality of zeta-functions attached to certain cusp forms
scientific article; zbMATH DE number 1605229

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    The universality of zeta-functions attached to certain cusp forms (English)
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    17 June 2001
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    universality
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    cusp forms
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    zeta-functions
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    An analogue of Voronin's universality theorem for cusp form zeta-functions was proved by \textit{A. Kačenas} and \textit{A. Laurinčikas} [Liet. Mat. Rink. 38, 82-97 (1998; Zbl 0929.11064)], but only under the assumption of a certain hypothesis on the Fourier coefficients \(c_p\), for primes \(p\), of the cusp form in question. In the present paper, an unconditional proof is given; the main new ingredient is an asymptotic formula for the sum function of \(c_p^2\).
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