Sur quelques problèmes de plongement en algèbre : II. Extensions de Kan et prolongements de foncteurs à des graphes multiplicatifs
Sur quelques problèmes de plongements en algèbre
Sur quelques structures de base pour définir les structures
Sur une opérade ternaire liée aux treillis de Tamari
On introduit une opérade anticyclique définie par une présentation ternaire quadratique. On montre qu’elle admet une base indexée par les arbres binaires planaires. On relie cette construction à la famille des treillis de Tamari en construisant un isomorphisme entre et le groupe de Grothendieck de la catégorie qui envoie la base de sur les classes des modules projectifs et qui transforme la structure anticyclique de en la transformation de Coxeter de la catégorie dérivée de . La dualité...
Surgery on pairs of closed manifolds
To apply surgery theory to the problem of classifying pairs of closed manifolds, it is necessary to know the subgroup of the group generated by those elements which are realized by normal maps to a pair of closed manifolds. This closely relates to the surgery problem for a closed manifold and to the computation of the assembly map. In this paper we completely determine such subgroups for many cases of Browder-Livesay pairs of closed manifolds. Moreover, very explicit results are obtained in the...
Survey of Oka theory.
Survey on matched pairs of groups-an elementary approach to the ESS-LYZ theory
The theory of matched pairs of groups is surveyed with special interest in applications to braided groups and quasitriangular structures on the bi-smash product Hopf algebra.
Suspension and loop objects and representability of tracks.
Suspension and loop objects in theories and cohomology.
Symétrisations de catégories - I : généralités
Symmetric Bilinear Forms, Quadratic Forms and Milnor K-Theory in Characteristic Two.
Symmetric Hochschild extension algebras
By an extension algebra of a finite-dimensional K-algebra A we mean a Hochschild extension algebra of A by the dual A-bimodule . We study the problem of when extension algebras of a K-algebra A are symmetric. (1) For an algebra A= KQ/I with an arbitrary finite quiver Q, we show a sufficient condition in terms of a 2-cocycle for an extension algebra to be symmetric. (2) Let L be a finite extension field of K. By using a given 2-cocycle of the K-algebra L, we construct a 2-cocycle of the K-algebra...
Symmetric monoidal categories model all connective spectra.
Symmetric monoidal closed categories generated by commutative adjoint monads
Symmetric monoidal closed structures in
Symmetric monoidal completions and the exponential principle among labeled combinatorial structures.
Symmetrizations of categories and categories of relations
Symmetry and Cauchy completion of quantaloid-enriched categories.
Symplectic bundles over affine surfaces.
Syntactical theory of functors