César Galíndo2026-03-222026-03-22201210.1007/s11856-012-0055-7https://doi.org/10.1007/s11856-012-0055-7https://andeanlibrary.org/handle/123456789/48742Citaciones: 11enIndecomposable moduleMathematicsCategorical variableFusionCategory theoryInvariant (physics)Pure mathematicsCategory of groupsAlgebra over a fieldClifford theory for graded fusion categoriesarticle