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physics.soc-ph2026
Resilient-to-Fragile Transition and Excess Volatility in Supply Chain Networks
David Martin, José Moran, Debabrata Panja +1
We study a production network in which firms use non-substitutable (Leontief) inputs, hold precautionary inventories and face idiosyncratic productivity shocks, with adjustment occ…
physics.soc-ph2025
Critical fragility in socio-technical systems
José Moran, Frank P. Pijpers, Utz Weitzel +2
Socio-technical systems, where technological and human elements interact in a goal-oriented manner, provide important functional support to our societies. Here we draw attention to…
physics.soc-ph2024
Timeliness criticality in complex systems
José Moran, Matthijs Romeijnders, Pierre Le Doussal +4
In complex systems, external parameters often determine the phase in which the system operates, i.e., its macroscopic behavior. For nearly a century, statistical physics has extens…