2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/128119We examine the total number of collisions $C_n$ in the $Λ$-coalescent process which starts with $n$ particles. A linear growth and a stable limit law for $C_n$ are shown under the assumption of a power-like behaviour of the measure $Λ$ near 0 with exponent $0<α<1$.18 pagesProbability60J10, 60K15On the number of collisions in $Λ$-coalescentstext