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stat.AP2018
Pattern Analysis of World Conflicts over the past 600 years
Gianluca Martelloni, Francesca Di Patti, Ugo Bardi
We analyze the database prepared by Brecke (Brecke 2011) for violent conflict, covering some 600 years of human history. After normalizing the data for the global human population,…
physics.soc-ph2018
Toward a General Theory of Societal Collapse. A Biophysical Examination of Tainter s Model of the Diminishing Returns of Complexity
Ugo Bardi, Sara Falsini, Ilaria Perissi
The collapse of large social systems, often referred to as civilizations or empires, is a well known historical phenomenon, but its origins are the object of an unresolved debate.…