A construction for quasi-hereditary algebras
Dlab, Vlastimil ; Ringel, Claus MichaelIn: Compositio Mathematica, Jg. 70 H. 2, S. 155-1751989A construction of rings whose injective hulls allow a ring structure
Dlab, Vlastimil ; Ringel, Claus MichaelIn: The journal of the Australian Mathematical Society, Jg. 16 H. 01, S. 7-131973Construction of tilted algebras
Happel, Dieter ; Ringel, Claus Michael ; Auslander, Maurice (Hrsg.) ; Lluis, Emilo (Hrsg.)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. 125-1671981Decomposition of modules over right uniserial rings
Dlab, Vlastimil ; Ringel, Claus MichaelIn: Mathematische Zeitschrift, Jg. 129 H. 3, S. 207-2301972The derived category of a tubular algebra
Happel, Dieter ; Ringel, Claus Michael ; Dlab, Vlastimil (Hrsg.) ; Gabriel, Peter (Hrsg.) ; Michler, Gerhard (Hrsg.)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. 156-1801986Diagonalisierungspaare I
Ringel, Claus MichaelIn: Mathematische Zeitschrift, Jg. 117 H. 1-4, S. 249-2661970Diagonalisierungspaare II
Ringel, Claus MichaelIn: Mathematische Zeitschrift, Jg. 122 H. 1, S. 10-321971Diagrammatic methods in the representation theory of orders
Ringel, Claus Michael ; Roggenkamp, Klaus W.In: Journal of algebra, Jg. 60 H. 1, S. 11-421979The dimension of a quasi-hereditary algebra
Dlab, Vlastimil ; Ringel, Claus Michael ; Balcerzyk, Stanislaw (Hrsg.)In: Topics in Algebra. 1: Rings and representations of algebras, Jg. 26,1, S. 263-2711990Directing projective modules
Happel, Dieter ; Ringel, Claus MichaelIn: Archiv der Mathematik, Jg. 60 H. 3, S. 237-2461993Eigenvalues of Coxeter transformations and the Gelfand-Kirillov dimension of the preprojective algebras
Dlab, Vlastimil ; Ringel, Claus MichaelIn: Proceedings of the American Mathematical Society, Jg. 83 H. 2, S. 228-2321981Every semiprimary ring is the endomorphism ring of a projective module over a quasi-hereditary ring
Dlab, Vlastimil ; Ringel, Claus MichaelIn: Proceedings of the American Mathematical Society, Jg. 107 H. 1, S. 1-51989Faserungen und Homotopie in Kategorien
Ringel, Claus MichaelIn: Mathematische Annalen, Jg. 190, S. 215-2301971Filtrations of right ideals related to projectivity of left ideals
Dlab, Vlastimil ; Ringel, Claus Michael ; Malliavin, Marie-Paule (Hrsg.)1989Finite-dimensional hereditary algebras of wild representation type
Ringel, Claus MichaelIn: Mathematische Zeitschrift, Jg. 161 H. 3, S. 235-2551978Four papers on problems in linear algebra
Ringel, Claus Michael ; Gelfand, Izrail M. (Hrsg.)In: Representation theory. Selected papers, Jg. 69, S. 141-1561982Hall algebras
Ringel, Claus Michael ; Balcerzyk, Stanislaw (Hrsg.)In: Topics in Algebra. 1: Rings and representations of algebras, Jg. 26,1, S. 433-4471990