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Results tagged with automorphic-forms
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user 153979
An automorphic form is a well-behaved function from a topological group $G$ to the complex numbers (or complex vector space) which is invariant under the action of a discrete subgroup $\Gamma \subset G$ of the topological group. Automorphic forms are a generalization of the idea of periodic functions in Euclidean space to general topological groups.
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Bounds on Fourier coefficients for $GL(3)$
I am referring for instance to this question about coefficients of automorphic forms on $GL(3)$. I know that the Ramanujan on average bound is known and gives
$$\sum_{n^2 m < x} |\lambda(n,m)|^2 \ll x …
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