On modularity of rigid and nonrigid Calabi-Yau varieties associated to the root lattice A

2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/67065We prove the modularity of four rigid and three nonrigid Calabi-Yau threefolds associated with the root lattice A_4.Final version, some improvements in the presentation, references added, some typos corrected. To appear Nagoya Math. JournalAlgebraic GeometryNumber Theory14J32, 14G25, 11F03, 11F23, 11F32On modularity of rigid and nonrigid Calabi-Yau varieties associated to the root lattice A_4text