Mathematics – Probability
Scientific paper
2009-08-17
Mathematics
Probability
23 pages, 6 figures
Scientific paper
A well-established model for the genealogy of a large population in equilibrium is Kingman's coalescent. For the population together with its genealogy evolving in time, this gives rise to a time-stationary tree-valued process. We study the sum of the branch lengths, briefly denoted as tree length, and prove that the (suitably compensated) sequence of tree length processes converges, as the population size tends to infinity, to a limit process with cadlag paths, infinite infinitesimal variance, and a Gumbel distribution as its equilibrium.
Pfaffelhuber Peter
Wakolbinger Anton
Weisshaupt Heinz
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