On time dynamics of coagulation-fragmentation processes
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We establish a characterization of coagulation-fragmentation processes, such that the induced birth and death processes depicting the total number of groups at time $t\ge 0$ are time homogeneous. Based on this, we provide a characterization of mean-field Gibbs coagulation-fragmentation models, which extends the one derived by Hendriks et al. As a by- product of our results, the class of solvable models is widened and a question posed by N. Berestycki and Pitman is answered, under restriction to mean-field models.
30pages.This is the final version that contains a few important changes in exposition implied by referees remarks and questions. The paper will be published in J. of Statistical Physics
30pages.This is the final version that contains a few important changes in exposition implied by referees remarks and questions. The paper will be published in J. of Statistical Physics