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Title

Variational principle underlying scale invariant social systems

AuthorsHernando de Castro, Alberto; Plastino, A.
Issue Date2012
PublisherSpringer
CitationEuropean Physical Journal B 85: 293 (2012)
AbstractMaxEnt's variational principle, in conjunction with Shannon's logarithmic information measure, yields only exponential functional forms in straightforward fashion. In this communication we show how to overcome this limitation via the incorporation, into the variational process, of suitable dynamical information. As a consequence, we are able to formulate a somewhat generalized Shannonian maximum entropy approach which provides a unifying >thermodynamic- like> explanation for the scale-invariant phenomena observed in social contexts, as city-population distributions. We confirm the MaxEnt predictions by means of numerical experiments with random walkers, and compare them with some empirical data. © 2012 EDP Sciences, Società Italiana di Fisica, Springer-Verlag.
URIhttp://hdl.handle.net/10261/79020
DOI10.1140/epjb/e2012-30313-x
Identifiersdoi: 10.1140/epjb/e2012-30313-x
issn: 1434-6028
e-issn: 1434-6036
Appears in Collections:(IFISC) Artículos
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