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SUMMARY:Emergence of order in random languages - Eric DeGiuli (Ryerson Uni
 versity)
DTSTART:20201020T120000Z
DTEND:20201020T130000Z
UID:TALK152530@talks.cam.ac.uk
CONTACT:Patrick Pietzonka
DESCRIPTION:Many complex systems have a generative\, or linguistic\, aspec
 t: life is written in the language of DNA\; protein structure is written i
 n a language of amino acids\, and human endeavour is often written in text
 . Are there universal aspects of the relationship between sequence and str
 ucture? I am trying to answer this question using models of random languag
 es. Recently I proposed a model of random context-free languages [1] and s
 howed using simulations that the model has a transition from an unintellig
 ent phase to an ordered phase. In the former\, produced sequences look lik
 e noise\, while in the latter they have a nontrivial Shannon entropy\; thu
 s the transition corresponds to the emergence of information-carrying in t
 he language. In this talk I will explain the basics of natural language sy
 ntax\, without assuming any prior knowledge of linguistics. I will present
  the results from the model above\, and explain how the model can be parti
 ally solved using Feynman diagrams [2]. \n\n[1] https://journals.aps.org/p
 rl/abstract/10.1103/PhysRevLett.122.128301 \n\n[2] https://arxiv.org/abs/1
 902.07516
LOCATION:via zoom (t.b.c.)
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