2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/69737We study Calabi--Yau 3-folds with infinitely many divisorial contractions. We also suggest a method to describe Calabi--Yau 3-folds with the infinite automorphism group.Algebraic Geometry14J30; 14J32; 14E30Calabi--Yau threefolds with infinitely many divisorial contractionstext