Ring Theory : Proceedings of an International Conference, Held in Antwerp, April 1-5, 1985

Action de groupes sur A1(?).- Conditions Noeth ennes dans les anneaux gradu - The subgroup structure of the brauer group of RG-dimodule algebras.- A graded version of artin's refinement theorem.- Exemples de sous-corps commutatifs maximaux dans D2(k).- Semigroup rings which are separable algebras.- Classnumbers of maximal orders in central simple algebras over global function fields.- Generating the ring of matrix invariants.- Hereditary and semihereditary endomorphism rings.- The poincare series of ? m,2.- An explicit description of ?3,2.- S-d vations alg iques sur les anneaux premiers.- On affine algebras.- Ideaux premiers purement codimensionels d'algebres enveloppantes.- Sur le groupe des extensions cubiques.- Universal localisation for hereditary rings and quivers.- Differential operators on commutative algebras.- Height relative to a torsion theory.- Polynomes tordus et T-anneaux a gauche.- The algebraic index of a division algebra.- Hecke Actions on Relative Picard Groups.- The general linear group of discrete hodge algebras.