Tome 43 (2002) no. 3

Sommaire

On regular presheaves and regular semi-categories
p. 163-190
Symétries de Hecke à déterminant associé central
p. 191-212
Isolated squares in hypercubes and robustness of commutativity
p. 213-220
On the PROP corresponding to bialgebras
p. 221-239