The André-Quillen homology of commutative graded algebras
The Category of Graded Modules.
The covering of rings by valuation rings
The hierarchy of uniserial modules over a valuation domain.
The structure of an almost artinian module.
The structure of indecomposable injective modules.
Torsion-free abelian groups and completely decomposable -adic modules
Trace Ideals of Relation Modules of Finite Groups.