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- Sapienza University of RomeIT32 papers
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- Centre National de la Recherche ScientifiqueFR12 papers
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- Consorzio Interuniversitario per lo Sviluppo dei Sistemi a Grande InterfaseIT6 papers
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4 papers · 2 filters
Detecting the traders' strategies in Minority-Majority games and real stock-prices
V. Alfi, A. De Martino, L. Pietronero +1
Price dynamics is analyzed in terms of a model which includes the possibility of effective forces due to trend followers or trend adverse strategies. The method is tested on the da…
Opinion dynamics and synchronization in a network of scientific collaborations
Alessandro Pluchino, Stefano Boccaletti, Vito Latora +1
In this paper we discuss opinion dynamics in the Opinion Changing Rate (OCR) model, recently proposed (A.Pluchino, V.Latora and A.Rapisarda Int. J. Mod. Phys. C, 16, No.4, 515-531…
Preferential attachment in the growth of social networks: the case of Wikipedia
A. Capocci, V. D. P. Servedio, F. Colaiori +4
We present an analysis of the statistical properties and growth of the free on-line encyclopedia Wikipedia. By describing topics by vertices and hyperlinks between them as edges, w…
Roughness and Finite Size Effect in the NYSE Stock-Price Fluctuations
V. Alfi, F. Coccetti, A. Petri +1
We consider the roughness properties of NYSE (New York Stock Exchange) stock-price fluctuations. The statistical properties of the data are relatively homogeneous within the same d…