The distribution of Fourier coefficients of cusp forms over sparse sequences
Huixue Lao, Ayyadurai Sankaranarayanan (2014)
Acta Arithmetica
Similarity:
Let be the nth normalized Fourier coefficient of a holomorphic Hecke eigenform . We establish that for j = 2,3,4, which improves the previous results. For j = 2, we even establish a better result.