L
Luciano Pietronero
Researcher at Sapienza University of Rome
Publications - 306
Citations - 10242
Luciano Pietronero is an academic researcher from Sapienza University of Rome. The author has contributed to research in topics: Fractal & Multifractal system. The author has an hindex of 45, co-authored 295 publications receiving 9471 citations. Previous affiliations of Luciano Pietronero include International Centre for Theoretical Physics & Brown, Boveri & Cie.
Papers
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Journal ArticleDOI
Fractal Dimension of Dielectric Breakdown
TL;DR: In this article, it was shown that the simplest nontrivial stochastic model for dielectric breakdown naturally leads to fractal structures for the discharge pattern, and the results were compared with properly designed experiments.
Book ChapterDOI
Fractals in physics
TL;DR: In this article, the authors give a brief overview of the impact of fractal geometry on physical sciences and the recent developments in the direction of the formulation of an analytical theory that allows to understand why natural phenomena often give rise to fractal structures.
Journal ArticleDOI
Semiotic dynamics and collaborative tagging
TL;DR: A stochastic model of user behavior embodying two main aspects of collaborative tagging, a frequency-bias mechanism related to the idea that users are exposed to each other's tagging activity and a notion of memory, or aging of resources, in the form of a heavy-tailed access to the past state of the system.
Journal ArticleDOI
A new metrics for countries' fitness and products' complexity.
Andrea Tacchella,Matthieu Cristelli,Guido Caldarelli,Guido Caldarelli,Andrea Gabrielli,Andrea Gabrielli,Luciano Pietronero +6 more
TL;DR: It is shown that a non-linear iteration is necessary to bound the complexity of products by the fitness of the less competitive countries exporting them, and the correct and simplest approach to measure the competitiveness of countries is the one presented in this work.
Journal ArticleDOI
Universal scaling relations in food webs
TL;DR: It is proposed to describe food webs as transportation networks by extending to them the concept of allometric scaling (how branching properties change with network size), and it is shown that, whereas the number of loops varies significantly across real webs, spanning trees are characterized by universal scaling relations.