Ueno, Hiromichi; Mizuno, Takayuki; Takayasu, Misako - In: Physica A: Statistical Mechanics and its Applications 383 (2007) 1, pp. 164-168
By using the historical data from the Japanese banks’ database at “The Bankers Library” of Japanese Banker Association, we analyze the historical network of banks from 1868 to 2006. Firstly, we define a bank every year by a particle and draw a space–time evolution process of merger,...