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Simultaneous sign change and equidistribution of signs of Fourier coefficients of two cusp forms (1711.02118v2)
Published 6 Nov 2017 in math.NT
Abstract: We study the simultaneous sign change of Fourier coefficients of a pair of distinct normalized newforms of integral weight supported on primes power indices, we also prove some equidistribution results. Finally, we consider an analogous question for Fourier coefficients of a pair of half-integral weight Hecke eigenforms.
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