A characterization of the Artinian modules.
A class of rings which are algebraic over the integers.
A Generalisation of Swan's Theorem.
A generalization of Mathieu subspaces to modules of associative algebras
We first propose a generalization of the notion of Mathieu subspaces of associative algebras , which was introduced recently in [Zhao W., Generalizations of the image conjecture and the Mathieu conjecture, J. Pure Appl. Algebra, 2010, 214(7), 1200–1216] and [Zhao W., Mathieu subspaces of associative algebras], to -modules . The newly introduced notion in a certain sense also generalizes the notion of submodules. Related with this new notion, we also introduce the sets σ(N) and τ(N) of stable...
A generalization of Ulm subgroups
A Krull-Schmidt theorem for Artinian modules over local rings.
A non-commutative minimally non-Noetherian ring.
A note on -cofinitely supplemented modules.
A note on -modules.
A note on free direct summands.
A note on V-rings
A Reduction Theorem for the Primitivity of Tensor Products.
A remark on decomposable modules.
A splitting theorem for ℱ-products
A theorem on direct products of Slender modules
of a uniserial module
A module is called uniserial if it has totally ordered submodules in inclusion. We describe direct summands of for a uniserial module . It appears that any such a summand is isomorphic to a direct sum of copies of at most two uniserial modules.
Addendum to "Rings whose modules have maximal submodules".
Addendum to the author's article "Rings whose modules have maximal submodules", which appeared in Publicacions Matemàtiques 39, 1 (1995), 201-214.
Algebren, Darstellungsköcher, Ueberlagerungen und zurück.
Algèbres de type de représentation fini
An analogue of the Duistermaat-van der Kallen theorem for group algebras
Let G be a group, R an integral domain, and V G the R-subspace of the group algebra R[G] consisting of all the elements of R[G] whose coefficient of the identity element 1G of G is equal to zero. Motivated by the Mathieu conjecture [Mathieu O., Some conjectures about invariant theory and their applications, In: Algèbre non Commutative, Groupes Quantiques et Invariants, Reims, June 26–30, 1995, Sémin. Congr., 2, Société Mathématique de France, Paris, 1997, 263–279], the Duistermaat-van der Kallen...