Evolving phylogenies of trait-dependent branching with mutation and competition, Part I: Existence
Evolving phylogenies of trait-dependent branching with mutation and competition, Part I: Existence
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具有突变和竞争的性状依赖性分支的进化系统发育,第一部分:存在
DOI:
10.1016/j.spa.2018.07.011
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发表时间:
2019
影响因子:
1.4
通讯作者:
A. Winter
中科院分区:
文献类型:
--
作者:
S. Kliem;A. Winter
We propose a type-dependent branching model with mutation and competition for modelling phylogenies of a virus population. The competition kernel depends on the total mass, the types of the virus particles, and the genetic information available through the number of nucleotide substitutions separating the virus particles. We consider evolving phylogenies in the huge population, short reproduction time and frequent mutation regime, show tightness in the space of marked metric measure spaces and characterize the limit through a martingale problem. Due to heterogeneity in the branching rates, the phylogenies are not ultra-metric. We therefore develop new techniques for verifying compact containment.
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