Zhang, Qunzhi; Sornette, Didier - In: Physica A: Statistical Mechanics and its Applications 390 (2011) 23, pp. 4124-4130
Zipf’s power law is a general empirical regularity found in many systems. We report a detailed analysis of a burgeoning network of social groups, in which all ingredients needed for Zipf’s law to apply are verifiable and verified. A recently developed theory predicts that Zipf’s law...