2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/121694Asymptotic formulas for $\sum_{κ_j\le K}α_j H_j^k(1/2)$ are proved when $k = 3,4$, where $H_j(s)$ is the Hecke series.35 pagesNumber Theory11F72, 11F66, 11M41, 11M06text