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arxiv: math/0408128 · v1 · submitted 2004-08-10 · 🧮 math.PR

Dual random fragmentation and coagulation and an application to the genealogy of Yule processes

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keywords fragmentationcoagulationdualgenealogyprocessesrandomyuleappear
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The purpose of this work is to describe a duality between a fragmentation associated to certain Dirichlet distributions and a natural random coagulation. The dual fragmentation and coalescent chains arising in this setting appear in the description of the genealogy of Yule processes.

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