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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. 280-2941980







The structure of capacity functions for compound channels
In: Probability and information theory, Jg. vol. 1: Proceedings of the international symposium at McMaster University, Canada, April 1968, S. 12-541969
The spectrum of a finite dimensional algebra
In: Ring theory. Proceedings of the 1978 Antwerp Conference, Jg. 51, S. 535-5971979

The representations of tame hereditary algebras
In: Representation theory of algebras: proceedings of the Philadelphia Conference, Jg. 37, S. 329-3531978
The representation type of local algebras
In: Representations of Algebras. Proceedings of the International Conference Ottawa 1974, Jg. 488, S. 282-3051975
The relationship between guidance, control, and evaluation
In: Guidance, control, and evaluation in the public sector: the Bielefeld interdisciplinary project, Jg. 4, S. 211-2281986
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. 216-2311980


The module theoretical approach to quasi-hereditary algebras
In: Representations of Algebras and Related Topics, Jg. 168, S. 200-2241992






The effect of discretization on homoclinic orbits
In: Bifurcation: analysis, algorithms, applications: proceedings of the conference at the University of Dortmund, August 18 - 22, 1986, Jg. 79, S. 1-81987

The dimension of a quasi-hereditary algebra
In: Topics in Algebra. 1: Rings and representations of algebras, Jg. 26,1, S. 263-2711990
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. 156-1801986




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 blurring of the distinction "state versus society" in the idea and practice of the welfare state
In: Guidance, control, and evaluation in the public sector: the Bielefeld interdisciplinary project, Jg. 4, S. 127-1381986
Textunderstanding in LILOG - sorts and reference objects
In: Wissensbasierte Systeme: 2. Internationaler GI-Kongreß, München, 20./21. Okt. 1987, Jg. 155, S. 246-2591987



Tame algebras: (on algorithms for solving vector space problems, II)
In: Representation Theory I: Proceedings of the Workshop on the Present Trends in Representation Theory, Ottawa, Carleton University, August 13-18, 1979: No. 1, Jg. 831, S. 137-2871980





