Systems in stochastic equilibrium
Systems in stochastic equilibrium
Enumerative combinatorics
Random graphs
Combinatorics, Probability and Computing
Ergodicity of multiplicative statistics
Journal of Combinatorial Theory Series A
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The equilibrium distribution of a reversible coagulation-fragmentation process (CFP) and the joint distribution of components of a random combinatorial structure (RCS) are given by the same probability measure on the set of partitions. We establish a central limit theorem for the number of groups (= components) in the case a(k) = qkp-1, k ≥ 1, q, p 0, where a(k), k ≥ 1, is the parameter function that induces the invariant measure. The result obtained is compared with the ones for logarithmic RCS's and for RCS's, corresponding to the case p