Two level branching model for virus population under cell division
Abstract
In this paper we study a two-level branching model for virus populations under cell division. We assume that the cells are carrying virus populations which evolve as a branching particle system with competition, while the cells split according to a Yule process thereby dividing their virus populations into two independently evolving sub-populations. We then assume that sizes of the virus populations are huge and characterize the fast branching rate and huge population density limit as the solution of a well-posed martingale problem. While verifying tightness is quite standard, we provide a Feynman-Kac duality relation to conclude uniqueness. Moreover, the duality relation allows for a further study of the long term behavior of the model.
Cite
@article{arxiv.2004.14352,
title = {Two level branching model for virus population under cell division},
author = {Luis Osorio and Anita Winter},
journal= {arXiv preprint arXiv:2004.14352},
year = {2020}
}
Comments
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