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Sun, Hae-sang
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Non-vanishing of special L-values of cusp forms on GL(2) with totally split prime power twists

Author(s)
Kwon, JaesungSun, Hae-sang
Issued Date
2020-08
DOI
10.1016/j.jnt.2019.12.013
URI
https://scholarworks.unist.ac.kr/handle/201301/31520
Fulltext
https://www.sciencedirect.com/science/article/pii/S0022314X20300214
Citation
JOURNAL OF NUMBER THEORY, v.213, pp.347 - 369
Abstract
We prove the non-vanishing of special L-values of cuspidal automorphic forms on GL(2) twisted by Hecke characters of prime power orders and totally split prime power conductors. Main ingredients of the proof are estimating the Galois averages of fast convergent series expressions of special L-values and considering Shintani cone decomposition. (C) 2020 Elsevier Inc. All rights reserved.
Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
ISSN
0022-314X
Keyword (Author)
Cuspidal automorphic formsSpecial L-valuesNon-vanishing
Keyword
RAMANUJAN CONJECTURE

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