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Biased dispersal can explain fast human range expansions
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In: Fort J 2020 Biased dispersal can explain fast human range expansions Scientific Reports 10 art.núm. 9036 (2020)
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Assessing the importance of cultural diffusion in the Bantu spread into southeastern Africa
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In: PLoS ONE, 2019, vol. 14, núm. 5, p. e0215573 ; Articles publicats (D-F) (2019)
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Assessing the importance of cultural diffusion in the Bantu spread into southeastern Africa
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Can a linguistic serial founder effect originating in Africa explain the worldwide phonemic cline?
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Can a linguistic serial founder effect originating in Africa explain the worldwide phonemic cline?
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Can a linguistic serial founder effect originating in Africa explain the worldwide phonemic cline?
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In: © Journal of the Royal Society Interface, 2016, vol. 13, p. 20160185 ; Articles publicats (D-F) (2016)
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Can a linguistic serial founder effect originating in Africa explain the worldwide phonemic cline?
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Language extinction and linguistic fronts
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In: Isern Sardó, Neus Fort, Joaquim 2014 Language extinction and linguistic fronts Journal Of The Royal Society Interface 11 94 20140028 (2014)
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Language extinction and linguistic fronts
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In: Isern Sardó, Neus Fort, Joaquim 2014 Language extinction and linguistic fronts Journal Of The Royal Society Interface 11 94 20140028 (2014)
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Abstract:
Language diversity has become greatly endangered in the past centuries owing to processes of language shift from indigenous languages to other languages that are seen as socially and economically more advantageous, resulting in the death or doom of minority languages. In this paper, we define a new language competition model that can describe the historical decline of minority languages in competition with more advantageous languages. We then implement this non-spatial model as an interaction term in a reaction diffusion system to model the evolution of the two competing languages. We use the results to estimate the speed at which the more advantageous language spreads geographically, resulting in the shrinkage of the area of dominance of the minority language. We compare the results from our model with the observed retreat in the area of influence of the Welsh language in the UK, obtaining a good agreement between the model and the observed data
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Keyword:
Equacions de reacció-difusió; Language and culture -- Mathematical models; Language obsolescence; Llengua i cultura -- Models matemàtics; Llenguatge i llengües -- Mort; Reaction-diffusion equations
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URL: https://doi.org/10.1098/rsif http://hdl.handle.net/10256/9568 http://hdl.handle.net/10503/46485
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