The Emergence of Weak Criticality in SOC systems

Since Self-Organised Criticality (SOC) was introduced in 1987, both the nature of the self- organisation and the criticality remains controversial. Recent observations on rain precipitation and brain activity suggest that real systems display a dynamics that is similar to the one observed in SOC systems, making a better understanding of such systems more urgent. Here we focus on the Drossel-Schwable forest-fire model (FFM) of SOC and show that despite the model has been proved to not being critical, it nevertheless exhibits a behavior that justifies the introduction of a new kind of weak criticality.

Authors: 
Lorenzo Palmieri and Henrik Jeldtoft Jensen
Room: 
8
Date: 
Monday, September 24, 2018 - 17:30 to 17:45

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