102364 - I see. We need to be
N. Lygeros
I see. We need to be more clear. In fact, we have 8 hypergroups up to isomorphism only in the sense of Marty i.e. the classical hypergroup H. But we have 20 hypergroups up to isomorphism in the sense of Vougiouklis i.e. the generalized hypergroup Hv. The following result is due to Vougiouklis, the other is our research.