On signs of coefficients of L-functions
On signs of coefficients of L-functions
Didier Lesesvre,M. Ng,Yingnan Wang
2026 · ArXiv: 2603.03029
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Abstract
We give a general lower bound on the frequency of sign changes in the real coefficients of L-functions of the Selberg class. We in particular recover existing results in the cases of GL(2) and GL(3), and obtain new bounds in the case of GSp(4).