A construction for quasi-hereditary algebras
Dlab, Vlastimil ; Ringel, Claus MichaelIn: Compositio Mathematica, Vol. 70 Issue 2, page 155-175A construction of rings whose injective hulls allow a ring structure
Dlab, Vlastimil ; Ringel, Claus MichaelIn: The journal of the Australian Mathematical Society, Vol. 16 Issue 01, page 7-13Construction of tilted algebras
Happel, Dieter ; Ringel, Claus Michael ; Auslander, Maurice (Ed.) ; Lluis, Emilo (Ed.)In: Representations of Algebras. Proceedings of the Third International Conference on Representations of Algebras, held in Puebla, Mexico, August 4 - 8, 1980, Vol. 903, page 125-167Decomposition of modules over right uniserial rings
Dlab, Vlastimil ; Ringel, Claus MichaelIn: Mathematische Zeitschrift, Vol. 129 Issue 3, page 207-230The derived category of a tubular algebra
Happel, Dieter ; Ringel, Claus Michael ; Dlab, Vlastimil (Ed.) ; Gabriel, Peter (Ed.) ; Michler, Gerhard (Ed.)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, Vol. 1177, page 156-180Diagonalisierungspaare I
Ringel, Claus MichaelIn: Mathematische Zeitschrift, Vol. 117 Issue 1-4, page 249-266Diagonalisierungspaare II
Ringel, Claus MichaelIn: Mathematische Zeitschrift, Vol. 122 Issue 1, page 10-32Diagrammatic methods in the representation theory of orders
Ringel, Claus Michael ; Roggenkamp, Klaus W.In: Journal of algebra, Vol. 60 Issue 1, page 11-42The dimension of a quasi-hereditary algebra
Dlab, Vlastimil ; Ringel, Claus Michael ; Balcerzyk, Stanislaw (Ed.)In: Topics in Algebra. 1: Rings and representations of algebras, Vol. 26,1, page 263-271Directing projective modules
Happel, Dieter ; Ringel, Claus MichaelIn: Archiv der Mathematik, Vol. 60 Issue 3, page 237-246Eigenvalues of Coxeter transformations and the Gelfand-Kirillov dimension of the preprojective algebras
Dlab, Vlastimil ; Ringel, Claus MichaelIn: Proceedings of the American Mathematical Society, Vol. 83 Issue 2, page 228-232Every 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, Vol. 107 Issue 1, page 1-5Faserungen und Homotopie in Kategorien
Ringel, Claus MichaelIn: Mathematische Annalen, Vol. 190, page 215-230Filtrations of right ideals related to projectivity of left ideals
Dlab, Vlastimil ; Ringel, Claus Michael ; Malliavin, Marie-Paule (Ed.)Finite-dimensional hereditary algebras of wild representation type
Ringel, Claus MichaelIn: Mathematische Zeitschrift, Vol. 161 Issue 3, page 235-255Four papers on problems in linear algebra
Ringel, Claus Michael ; Gelfand, Izrail M. (Ed.)In: Representation theory. Selected papers, Vol. 69, page 141-156Hall algebras
Ringel, Claus Michael ; Balcerzyk, Stanislaw (Ed.)In: Topics in Algebra. 1: Rings and representations of algebras, Vol. 26,1, page 433-447