2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/173224We prove a general result which implies that the global and Frobenius-Perron dimensions of a fusion category generate Galois invariant ideals in the ring of algebraic integers.7 pages; example is added in the IntroductionQuantum AlgebraCategory TheoryOn formal codegrees of fusion categoriestext