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Vinberg's characterization of Dynkin diagrams using subadditive functions with application to DTr-periodic modules
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Unions of chains of indecomposable modules
In: Communications in Algebra, Jg. 3 H. 12, S. 1121-11441975


The structure of balanced rings
In: Proceedings of the London Mathematical Society, Jg. 26 H. 3, S. 446-4621973
The spectrum of a finite dimensional algebra
In: Ring theory. Proceedings of the 1978 Antwerp Conference, Jg. 51, S. 535-5971979
The spectral radius of the Coxeter transformations for a generalized Cartan matrix
In: Mathematische Annalen, Jg. 300 H. 1, S. 331-3391994
The representations of tame hereditary algebras
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The representation type of local algebras
In: Representations of Algebras. Proceedings of the International Conference Ottawa 1974, Jg. 488, S. 282-3051975
The regular components of the Auslander-Reiten quiver of a tilted algebra
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The rational invariants of the tame quivers
In: Inventiones mathematicae, Jg. 58 H. 3, S. 217-2391980
The preprojective algebra of a modulated graph
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The module theoretical approach to quasi-hereditary algebras
In: Representations of Algebras and Related Topics, Jg. 168, S. 200-2241992
The intersection property of amalgamations
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The indecomposable representations of the dihedral 2-groups
In: Mathematische Annalen, Jg. 214, S. 19-341975
The Hochschild cocycle corresponding to a long exact sequence
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The dimension of a quasi-hereditary algebra
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The derived category of a tubular algebra
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The composition algebra of a cyclic quiver
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The category of modules with good filtrations over a quasi-heriditary algebra has almost split sequences
In: Mathematische Zeitschrift, Jg. 208 H. 1, S. 209-2231991


The canonical algebras (with an appendix by W. Crawley-Boevey)
In: Topics in Algebra. 1: Rings and representations of algebras, Jg. 26,1, S. 407-4321990
The braid group action on the set of exceptional sequences of a hereditary artin algebra
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Tame algebras: (on algorithms for solving vector space problems, II)
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Socle determined categories of representations of artinian hereditary tensor algebras
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Separating tubular series
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Representation-finite tree algebras
In: Representations of Algebras. Proceedings of the Third International Conference on Representations of Algebras, held in Puebla, Mexico, August 4 - 8, 1980, Jg. 903, S. 39-541981
Representation theory of finite-dimensional algebras
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Report on the Brauer-Thrall conjectures: Rojter's theorem and the theorem of Nazarova and Rojter (on algorithms for solving vectorspace problems. I)
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Remarks on a paper by Skornjakov concerning rings for which every module is a direct sum of left ideals
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Reflection functors for hereditary algebras
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Recent advances in the representation theory of finite dimensional algebras
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Real subspaces of a quaternion vector space
In: Canadian journal of mathematics, Jg. 30 H. 6, S. 1228-12421978


QF-1 rings of global dimension less than or = 2
In: Canadian journal of mathematics, Jg. 25 H. 2, S. 345-3521973

Pathological modules over tame rings
In: Journal of the London Mathematical Society, Jg. s2-14 H. 2, S. 207-2151976


Normal forms of real matrices with respect to complex similarity
In: Linear algebra and its applications, Jg. 17 H. 2, S. 107-1241977
Monofunctors as reflectors
In: Transactions of the American Mathematical Society, Jg. 161, S. 293-3061971
Modules of bounded length in Auslander-Reiten components
In: Archiv der Mathematik, Jg. 50 H. 2, S. 128-1331988
Lie algebras (arising in representation theory)
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Kawada's theorem
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