The design and topology of a neural network is still an important and difficult task. To solve the problems of topology posed by the introduction of connexionism, new approaches are proposed, and especially a combination of induction rules with a statistical estimation of the neuron coefficients...

What is the role of co-evolution in the adaptation of a population of firms to a hostile environment ? To answer this question, we revisit network sociology starting from Kauffman s biological computer model. We apply a qualitative methodology to update exploitation and exploration mechanisms in...

This paper aims to contribute to understand the mechanisms underlying the complex exclusion process of indigenous people in Peru, by analysing the role played by aspirations in the investment in education of indigenous children. To address these issues, the paper relies on a very rich data set,...

According to Roney (2003), when exposed to potential mates (young women), men show greater conformity to female mate preferences. This study conceptually replicates and extends this finding to show that women also respond to female physical attractiveness. When exposed to attractive women...

Since the publication of path-breaking contributions on the governance of environmental resources in the early 1990s many political initiatives have been taken, many governance experiments have been run, and a large multidisciplinary field of research has opened up. The aim of this...