オオキ ユウ   YU OHKI
  大木 有
   所属   データサイエンス学部 データサイエンス学科
   職種   助教
言語種別 英語
発行・発表の年月 2023/03/15
形態種別 学術雑誌
査読 査読あり
標題 Community Structure and Its Stability on a Face-to-Face Interaction Network in Kyoto City
執筆形態 共著
掲載誌名 Journal of the Physical Society of Japan
出版社・発行元 Physical Society of Japan
巻・号・頁 92(3)
担当区分 筆頭著者,責任著者
著者・共著者 Yu Ohki,Hitomi Tanaka,Yuichi Ikeda
概要 As social behavior plays an essential role in people's lives, the features of face-to-face interaction networks must be examined to understand people's social behavior. In this study, we focused on the stable community structure of a face-to-face interaction network because it explains the persistent communities caused by the stationary communication patterns of citizens and visitors in a city. We regarded citizens and visitors as two kinds of particles and the community as a phase and theorized the stability of the community structure using the equilibrium conditions among communities. We formulated the chemical potentials of the communities and examined whether they were in equilibrium under the assumption of a canonical ensemble. We estimated the chemical potentials of persistent communities and found that these values matched within approximately 10% error for each day. This result indicates that the cause of persistent communities is the stability of community structure.
PermalinkURL https://journals.jps.jp/doi/pdf/10.7566/JPSJ.92.034804