Pathological modules over tame rings
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Butler, M. C. R. ; Ringel, Claus MichaelIn: Communications in Algebra, Jg. 15 H. 1-2, S. 145-1791987A bypass of an arrow is sectional
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Dlab, Vlastimil ; Ringel, Claus MichaelIn: Mathematische Annalen, Jg. 195 H. 2, S. 279-2911972A class of bounded hereditary noetherian domains
Dlab, Vlastimil ; Ringel, Claus MichaelIn: Journal of Algebra, Jg. 92 H. 2, S. 311-3211985A 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. 7-131973Decomposition of modules over right uniserial rings
Dlab, Vlastimil ; Ringel, Claus MichaelIn: Mathematische Zeitschrift, Jg. 129 H. 3, S. 207-2301972Eigenvalues 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. 1-51989The Hochschild cocycle corresponding to a long exact sequence
Dlab, Vlastimil ; Ringel, Claus MichaelIn: Tsukuba Journal of Mathematics, Jg. 14 H. 2, S. 489-4961990Normal forms of real matrices with respect to complex similarity
Dlab, Vlastimil ; Ringel, Claus MichaelIn: Linear algebra and its applications, Jg. 17 H. 2, S. 107-1241977On algebras of finite representation type
Dlab, Vlastimil ; Ringel, Claus MichaelIn: Journal of algebra, Jg. 33 H. 2, S. 306-3941975On modular representations of $A_{4}$
Dlab, Vlastimil ; Ringel, Claus MichaelIn: Journal of algebra, Jg. 123 H. 2, S. 506-5221989Perfect elements in the free modular lattices
Dlab, Vlastimil ; Ringel, Claus MichaelIn: Mathematische Annalen, Jg. 247 H. 2, S. 95-1001980Quasi-hereditary algebras
Dlab, Vlastimil ; Ringel, Claus MichaelIn: Illinois Journal of Mathematics, Jg. 33 H. 2, S. 280-2911989Real subspaces of a quaternion vector space
Dlab, Vlastimil ; Ringel, Claus MichaelIn: Canadian journal of mathematics, Jg. 30 H. 6, S. 1228-12421978