3 papers
physics.soc-ph2026
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…
physics.soc-ph2020
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…
q-bio.MN2019
Weighted Network Analysis of Biologically Relevant Chemical Spaces
Mariko I. Ito, Takaaki Ohnishi
In cheminformatics, network representations of the space of compounds have been suggested extensively. Among these, the threshold-network consists of nodes representing molecules.…