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|Emergence of Zipf's law in the Evolution of Communication
|Corominas Murtra, Bernat
Fortuny Andreu, Jordi
Solé, Ricard V.
|American Physical Society
|Zipf's law seems to be ubiquitous in human languages and appears to be a universal property of complex communicating systems. Following the early proposal made by Zipf concerning the presence of a tension between the efforts of speaker and hearer in a communication system, we introduce evolution by means of a variational approach to the problem based on Kullback's Minimum Discrimination of Information Principle. Therefore, using a formalism fully embedded in the framework of information theory, we demonstrate that Zipf's law is the only expected outcome of an evolving communicative system under a rigorous definition of the communicative tension described by Zipf.
|Reproducció del document publicat a: http://journals.aps.org/pre/abstract/10.1103/PhysRevE.83.036115
|It is part of:
|Physical Review E, 2011, vol. 83, num. 3
|Appears in Collections:
|Articles publicats en revistes (Filologia Catalana i Lingüística General)
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