Article
The site-frequency spectrum associated with Ξ-coalescents.
Theoretical population biology - 1 Aug 2016
Blath Jochen, Cronjäger Mathias Christensen, Eldon Bjarki, Hammer Matthias
Abstract excerpt
We give recursions for the expected site-frequency spectrum associated with so-called Xi-coalescents, that is exchangeable coalescents which admit simultaneous multiple mergers of ancestral lineages. Xi-coalescents arise, for example, in association with population models of skewed offspring distributions with diploidy, recurrent advantageous mutations, or strong bottlenecks. In contrast, the simpler...
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