Signs of Fourier coefficients of cusp form at sumof two squares
SOUMYARUP BANERJEE MANISH KUMAR PANDEY
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In this article,we investigate the sign changes of the sequence of coefficientsat sum of two squareswhere the coefficients are the Fourier coefficients of the normalized Hecke eigen cusp form for the full modular group.We provide the quantitative result for the number of sign changes of the sequence in a small interval.
SOUMYARUP BANERJEE1 MANISH KUMAR PANDEY2
Volume 130, 2020
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