<< It has recently been proposed that the spatial evolution of dialects can be understood using surface tension at linguistic boundaries >>
J.B. << shows that the inclusion of long-range interactions in the surface tension model generates both wave-like spread, and hierarchical diffusion, and that it is surface tension that is the dominant effect in deciding the stable distribution of dialect patterns >>
J.B. << generalizes the model to allow population mixing which can induce shrinkage of linguistic domains, or destroy dialect regions from within >>
James Burridge. Unifying models of dialect spread and extinction using surface tension dynamics. R Soc Open Sci. 2018 Jan; 5(1): 171446.
doi: 10.1098/rsos.171446. Jan 3, 2018.
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