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Vinberg's characterization of Dynkin diagrams using subadditive functions with application to DTr-periodic modules
In: Representation Theory II: Proceedings of the Second International Conference on Representations of Algebras, Ottawa, Carleton University, August 13-25, 1979: No. 2, Jg. 832, S. 280-294
Unzerlegbare Darstellungen endlich-dimensionaler Algebren
In: Jahresbericht der Deutschen Mathematiker-Vereinigung, Jg. 85 H. 2, S. 86-105
Unions of chains of indecomposable modules
In: Communications in Algebra, Jg. 3 H. 12, S. 1121-1144
Towers of Semi-simple algebras
In: Journal of functional analysis, Jg. 102 H. 1, S. 35-46
Tilted algebras
In: Transactions of the American Mathematical Society, Jg. 274 H. 2, S. 399-443
The structure of balanced rings
In: Proceedings of the London Mathematical Society, Jg. 26 H. 3, S. 446-462
The spectrum of a finite dimensional algebra
In: Ring theory. Proceedings of the 1978 Antwerp Conference, Jg. 51, S. 535-597
The spectral radius of the Coxeter transformations for a generalized Cartan matrix
In: Mathematische Annalen, Jg. 300 H. 1, S. 331-339
The representations of tame hereditary algebras
In: Representation theory of algebras: proceedings of the Philadelphia Conference, Jg. 37, S. 329-353
The representation type of local algebras
In: Representations of Algebras. Proceedings of the International Conference Ottawa 1974, Jg. 488, S. 282-305
The regular components of the Auslander-Reiten quiver of a tilted algebra
In: Chinese Annals of Mathematics, B, Jg. 9 H. 1, S. 1-18
The rational invariants of the tame quivers
In: Inventiones mathematicae, Jg. 58 H. 3, S. 217-239
The preprojective algebra of a modulated graph
In: Representation Theory II. Proceedings of the Second International Conference on Representations of Algebras, Ottawa, Carleton University, August 13-25, 1979: No. 2, Jg. 832, S. 216-231
The module theoretical approach to quasi-hereditary algebras
In: Representations of Algebras and Related Topics, Jg. 168, S. 200-224
The intersection property of amalgamations
In: Journal of pure and applied algebra, Jg. 2 H. 4, S. 341-342
The indecomposable representations of the dihedral 2-groups
In: Mathematische Annalen, Jg. 214, S. 19-34
The Hochschild cocycle corresponding to a long exact sequence
In: Tsukuba Journal of Mathematics, Jg. 14 H. 2, S. 489-496

The dimension of a quasi-hereditary algebra
In: Topics in Algebra. 1: Rings and representations of algebras, Jg. 26,1, S. 263-271
The derived category of a tubular algebra
In: Representation Theory I: Finite dimensional algebras: Proceedings of the Fourth International Conference on Representations of Algebras, held in Ottawa, Canada, August 16-25, ... Part 1, Jg. 1177, S. 156-180
