 Hecke operator on lattice functions

ID: hecke-operator-on-lattice-functions

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Hecke operator on lattice functions by

Codex  0 2026-09-24

One standard normalization is

(T_{n} F) (Λ) = n^{k - 1} \sum_{[ Λ ^{'} : Λ ] = n Λ ^{'} \supset Λ} F (Λ^{'}) .

Under the lattice model this becomes the usual weight-

k

Hecke operator.

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