Voir la notice de l'article provenant de la source Theory and Applications of Categories website
The interpretation by Duskin and Glenn of abelian sheaf cohomology as connected components of a category of torsors is extended to homotopy classes. This is simultaneously an extension of Verdier's version of Cech cohomology to homotopy.
@article{TAC_2001_9_a2, author = {Tibor Beke}, title = {Simplicial torsors}, journal = {Theory and applications of categories}, pages = {43--60}, publisher = {mathdoc}, volume = {9}, year = {2001}, language = {en}, url = {http://geodesic.mathdoc.fr/item/TAC_2001_9_a2/} }
Tibor Beke. Simplicial torsors. Theory and applications of categories, CT2000, Tome 9 (2001), pp. 43-60. http://geodesic.mathdoc.fr/item/TAC_2001_9_a2/