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Pré-Publication, Document De Travail Année : 2005

Regenerative real trees

Résumé

In this work, we give a description of all sigma-finite measures on the space of rooted compact real trees which satisfy a certain regenerative property. We show that any infinite measure which satisfies the regenerative property is the "law" of a Levy tree, that is, the "law" of a tree-valued random variable that describes the genealogy of a population evolving according to a continuous-state branching process. On the other hand, we prove that a probability measure with the regenerative property must be the law of the genealogical tree associated with a continuous-time discrete-state branching process.
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Dates et versions

hal-00013321 , version 1 (07-11-2005)

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Mathilde Weill. Regenerative real trees. 2005. ⟨hal-00013321⟩
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