Graded equivalences between categories of graded torsion-free unital modules over idempotent graded rings are characterized by Morita contexts with surjective trace maps, relating lattices of submodules and ideals and identifying invariant properties.
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Graded Equivalence for Graded Idempotent Rings
Graded equivalences between categories of graded torsion-free unital modules over idempotent graded rings are characterized by Morita contexts with surjective trace maps, relating lattices of submodules and ideals and identifying invariant properties.