3 papers
physics.soc-ph2025
A Formal Definition of Scale-dependent Complexity and the Multi-scale Law of Requisite Variety
Alexander F. Siegenfeld, Yaneer Bar-Yam
Ashby's law of requisite variety allows a comparison of systems with their environments, providing a necessary (but not sufficient) condition for system efficacy: a system must pos…
stat.AP2025
Predicting System Dynamics of Universal Growth Patterns in Complex Systems
Leila Hedayatifar, Alfredo J. Morales, Dominic E. Saadi +8
Predicting dynamic behaviors is one of the goals of science in general as well as essential to many specific applications of human knowledge to real world systems. Here we introduc…
q-bio.PE2024
Self-similarity in pandemic spread and fractal containment policies
Alexander F. Siegenfeld, Asier Piñeiro Orioli, Robin Na +2
Although pandemics are often studied as if populations are well-mixed, disease transmission networks exhibit a multi-scale structure stretching from the individual all the way up t…