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The conditioned reconstructed process

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Gernhard, Tanja·2008·Journal of Theoretical Biology

Abstract

We investigate a neutral model for speciation and extinction, the constant rate birth-death process. The process is conditioned to have n extant species today, we look at the tree distribution of the reconstructed trees--i.e. the trees without the extinct species. Whereas the tree shape distribution is well-known and actually the same as under the pure birth process, no analytic results for the speciation times were known. We provide the distribution for the speciation times and calculate the expectations analytically. This characterizes the reconstructed trees completely. We will show how the results can be used to date phylogenies.

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Metadata

Authors
Gernhard, T.
Venue
Journal of Theoretical Biology
Publisher
Elsevier BV
Published
2008-08
Volume
253
Issue
4
Pages
769-778
ISSN
0022-5193 (ISSN-L)
OpenAlex
W2035326297
Cited by
1,038
References
0
FWCI
20.38
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: The conditioned reconstructed process. https://app.cochat.ai/papers/10.1016/j.jtbi.2008.04.005
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Gernhard, T. (2008). The conditioned reconstructed process. Journal of Theoretical Biology. https://doi.org/10.1016/j.jtbi.2008.04.005

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