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On the age of a randomly picked individual in a linear birth-and-death process

  • Fabian Kück (a1) and Dominic Schuhmacher (a1)

Abstract

We consider the distribution of the age of an individual picked uniformly at random at some fixed time in a linear birth-and-death process. By exploiting a bijection between the birth-and-death tree and a contour process, we derive the cumulative distribution function for this distribution. In the critical and supercritical cases, we also give rates for the convergence in terms of the total variation and other metrics towards the appropriate exponential distribution.

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* Postal address: Institute for Mathematical Stochastics, University of Göttingen, Goldschmidtstraße 7, 37077 Göttingen, Germany.

References

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[8]Stadler, T., Kühnert, D., Bonhoeffer, S. and Drummond, A. J. (2013). Birth–death skyline plot reveals temporal changes of epidemic spread in HIV and hepatitis C virus (HCV). Proc. Nat. Acad. Sci. 110, 228233.

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On the age of a randomly picked individual in a linear birth-and-death process

  • Fabian Kück (a1) and Dominic Schuhmacher (a1)

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