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Human as Real-Time Sensors of Social and Physical Events: A Case Study of Twitter and Sports Games
Real-Time Sensors Social Physical Events Twitter Sports Games Case
2011/9/14
In this work, we study how Twitter can be used as a sensor to detect frequent and diverse social and physical events in real-time. We devise efficient data collection and event recognition solutions t...
Modelling Complexity: the case of Climate Science
Uncertainty, Probability, Climate Models, Climate Change, Climate Variability, Spatial scales, Time scales, Chaos, Numerical Methods, Irreversibility, Entropy Production, Energy Balance
2011/8/30
We briefly review some of the scientific challenges and epistemological issues related to climate science. We discuss the formulation and testing of theories and numerical models, which, given the pre...
The Curious Case of Lemaitre's Equation No. 24
English translation Lemaitre's Equation No. 24
2011/8/30
In August of 1961 Abb?Georges Lema顃re told me (with a twinkle in his eyes) that, being a priest, he felt a slight bias in favor of the idea that the Universe had been created. It must therefore have b...
The SL_3 Jones polynomial of the trefoil: a case study of $q$-holonomic recursions
The SL_3 Jones polynomial $q$-holonomic recursions
2010/12/27
The SL_3 colored Jones polynomial of the trefoil knot is a $q$-holonomic sequence of two variables with natural origin, namely quantum topology. The paper presents an explicit set of generators for th...
More than two equally probable variants of signal in Kauffman networks as an important overlooked case, negative feedbacks allow life in chaos
Kauffman networks overlooked case chaos
2010/4/6
There are three main aims of this paper. 1- I explain reasons why I await life to lie significantly deeper in chaos than Kauffman approach does, however still in boundary area near `the edge of chaos ...
Absorption and Emission in the Non-Poisson Case: The Theoretical Challenge Posed by Renewal Aging
the Non-Poisson Case The Theoretical Challenge Renewal Aging
2010/10/13
This short paper aims at clarifying the physical meaning of a previous pubblication [G. Aquino, P. Grigolini, L. Palatella, Phys. Rev. Lett. 93 050601 (2004)], using later, although very recent, resul...