Recent studies have taken advantage of computational techniques to investigate the evolution of Indo-European languages [1-3]. However, these methods are not able to overcome the time constraints on lexical evolution, which limit a broader application of the Classical Comparative Method, and therefore cannot be used above the family level. For this reason, evidence from cross-family relationships must come from other domains (e.g. phonetics, [4, 5]). Reference [6] shows that another domain, syntax, is a potential source for cross-family comparison. In this paper, we evaluate the method proposed in [6], the PCM, and argue through a random generation of possible grammars that syntactic distances can be useful to detect signals of historical relatedness above the Indo-European level, within some confidence probabilistic intervals.

Mathematical modeling of grammatical diversity supports the historical reality of formal syntax / Longobardi, Giuseppe; Ceolin, Andrea; Bortolussi, Luca; Guardiano, Cristina; Irimia, Monica Alexandrina; Michelioudakis, Dimitris; Radkevich, Nina; Sgarro, Andrea. - ELETTRONICO. - (2016), pp. 1-4. ((Intervento presentato al convegno Leiden Workshop on Capturing Phylogenetic Algorithms for Linguistics tenutosi a Leiden nel 26-30/10/2015.

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