The -inductive topology on abelian -groups
The...-CATEGORY OF A SEMIGROUP.
Théorème de Kurosh pour les relations d’équivalence boréliennes
En théorie des groupes, le théorème de Kurosh est un résultat de structure concernant les sous-groupes d’un produit libre de groupes. Le théorème principal de cet article est un résultat analogue dans le cadre des relations d’équivalence boréliennes à classes dénombrables, que nous démontrons en développant une théorie de Bass-Serre dans ce cadre particulier.
Théorèmes de Sylow génériques pour les groupes réductifs sur les corps finis.
Théorèmes sur les groupes de substitutions
Théorèmes sur les groupes primitifs.
Theorems on groups of finite Morley rank analogous to theorems on finite groups.
Théorie de Schreier supérieure
Théorie des blocs
Théorie des classes dans un demi-groupe involutif.
Theorie des congruences premieres.
Théorie des Demi-Groupes Hyperperiodiques ? Applications aux Demi-Groupes n-Potents.
Théorie des groupoïdes symplectiques
Theorien abelscher Gruppen mit einem einstelligen Prädikat
Theory of coverings in the study of Riemann surfaces
For a G-covering Y → Y/G = X induced by a properly discontinuous action of a group G on a topological space Y, there is a natural action of π(X,x) on the set F of points in Y with nontrivial stabilizers in G. We study the covering of X obtained from the universal covering of X and the left action of π(X,x) on F. We find a formula for the number of fixed points of an element g ∈ G which is a generalization of Macbeath's formula applied to an automorphism of a Riemann surface. We give a new method...
There are no Phantom Pairs of Mappings to 1-Dimensional CW-Complexes
Two mappings from a CW-complex to a 1-dimensional CW-complex are homotopic if and only if their restrictions to finite subcomplexes are homotopic.
There are ternary circular square-free words of length for 18.
Theta constants of genus three
Theta pairs and the structure of finite groups.
Thick subcategories of the stable module category
We study the thick subcategories of the stable category of finitely generated modules for the principal block of the group algebra of a finite group G over a field of characteristic p. In case G is a p-group we obtain a complete classification of the thick subcategories. The same classification works whenever the nucleus of the cohomology variety is zero. In case the nucleus is nonzero, we describe some examples which lead us to believe that there are always infinitely many thick subcategories concentrated...