Anglais
The functional coding technique, which is essential basis of the effective homology theory, is explained. A very elementary example, the functions with effective growing, is used in order in order to describe the nature of this technique. Finally, the effective homology theory is quickly defined and its results are stated.
L'abonnement correspond aux 8 volumes annuels : 7 volumes d'Astérisque et le volume des exposés Bourbaki de l'année universitaire écoulée.
This subscription corresponds to 8 volumes: 7 volumes of Astérisque plus one volume with the texts of the Bourbaki talks given in the past year.