Representations of Algebras: Proceedings of the Third International Conference on Representations of Algebras Held in Puebla, Mexico, August 4–8 1980

On the number of terms in the middle of an almost split sequence....Pages 1-8
On adjoint functors in representation theory....Pages 9-25
Tilted algebras....Pages 26-38
Representation-finite tree algebras....Pages 39-54
Auslander-Reiten quivers of exact one-parameter partially ordered sets....Pages 55-61
Complexity and Krull Dimension....Pages 62-67
The universal cover of a representation-finite algebra....Pages 68-105
Group-graded algebras and the zero relation problem....Pages 106-115
Relative invariants and subgeneric orbits of quivers of finite and tame type....Pages 116-124
Construction of tilted algebras....Pages 125-144
On representations of the symmetric groups, nilpotent matrices, systems, vectorbundles and Schubert cells....Pages 145-167
Induced modules and comodules and representations of BOCS's and DGC's....Pages 168-185
Some remarks on the modular group algebras....Pages 186-195
Topological aspects of matrix problems....Pages 196-210
Some remarks on reflection functors....Pages 211-221
Algebras stably equivalent to factors of hereditary....Pages 222-241
On blocks with multiplicity one....Pages 242-256
The connected component group of an algebra....Pages 257-262
Cotorsion modules over tame finite-dimensional hereditary algebras....Pages 263-269
Inequalities for blocktheoretic invariants....Pages 270-284
TrD-periodic mdules over selfinjective algebras....Pages 285-301
On the 2-modular representations of M 12 ....Pages 302-314
Extensions of artinian rings by hereditary injective modules....Pages 315-330
Universal coverings of selfinjective algebras....Pages 331-349
Brauer-thrall I for orders and its application to orders with loops in their Auslander-Reiten graph....Pages 350-357
What conditions do vertices of irreducible modules satisfy?....Pages 358-363
On algebras whose trivial extensions are of finite representation type....Pages 364-371