Clusters and tree structure from genealogical data

September 6, 2009

Modern biology provides a wealth of interesting mathematical challenges in the modeling and reconstruction of evolution. A new eprint explores the theoretical prospects for defining a phylogenetic tree structure, despite complications like lateral gene transfer, hybdridization and the difference between gene and species trees:

A. Dress, et al. Species, Clusters and the ‘Tree of Life’: A graph-theoretic perspective. eprint: 0908.2885

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Lord of the mosquitoes

June 28, 2009

WebMD has an interesting news story about research on what makes mosquitoes prefer some humans over others.