41 citations · 44 across the 9 of their papers we have counts for
3 papers · 1 filter
Identifying dynamical network markers of financial market instability
Mariko I. Ito, Hiroyuki Hasada, Yudai Honma +3
Market instability has been extensively studied using mathematical approaches to characterize complex trading dynamics and detect structural change points. This study explores the…
Fractal Patterns in Spatial Distribution of Population by Age Group
Mariko I. Ito, Takaaki Ohnishi
Multifractality is one of the patterns observed in spatial distributions of populations. In this study, we performed multifractal analysis for populations by age group in the capit…
Structure of global buyer-supplier networks and its implications for conflict minerals regulations
Takayuki Mizuno, Takaaki Ohnishi, Tsutomu Watanabe
We investigate the structure of global inter-firm linkages using a dataset that contains information on business partners for about 400,000 firms worldwide, including all the firms…