17 citations · 25 across the 4 of their papers we have counts for
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physics.soc-ph2026
Uncovering Functional Blocks in Interregional Production Networks: Evidence from Input-Output Linkages in Japan
Shota Fujishima
This paper examines the latent functional block structure of Japan's production network using interregional input-output data. To isolate non-trivial production linkages, we first…
physics.soc-ph2022★ 8 cited
Identifying sinks and sources of human flows: A new approach to characterizing urban structures
Takaaki Aoki, Shota Fujishima, Naoya Fujiwara
Human flow data are rich behavioral data relevant to people's decision-making regarding where to live, work, go shopping, etc., and provide vital information for identifying city c…
physics.soc-ph2021★ 17 cited
Urban spatial structures from human flow by Hodge-Kodaira decomposition
Takaaki Aoki, Shota Fujishima, Naoya Fujiwara
Human flow in cities indicates social activity and can reveal urban spatial structures based on human behaviours for relevant applications. Scalar potential is a mathematical conce…