原著論文 R. Fujie and T. Odagaki "Self organization of social hierarchy and clusters in a challenging society with free random walk" Physica A 389, 1471 (2010) R. Fujie and T. Odagaki "Effects of superspreaders in spread of epidemic" Physica A 374, 843 (2007) 会議録 R. Fujie and T. Odagaki "Effects of superspreaders in spread of epidemic" Diffusion Fundamentals 6, 20.1 - 20.2 (2007)