237 citations · 806 across the 73 of their papers we have counts for
86 papers
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…
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…
Quantitative errors in the Cochrane review on "Physical interventions to interrupt or reduce the spread of respiratory viruses"
Yaneer Bar-Yam, Jonathan M. Samet, Alexander F. Siegenfeld +1
The COVID-19 pandemic has heightened the urgency to understand and prevent pathogen transmission, specifically regarding infectious airborne particles. Extensive studies validate t…
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…
Modeling complex systems: A case study of compartmental models in epidemiology
Alexander F. Siegenfeld, Pratyush K. Kollepara, Yaneer Bar-Yam
Compartmental epidemic models have been widely used for predicting the course of epidemics, from estimating the basic reproduction number to guiding intervention policies. Studies…
Was India saved by staying below the critical travel threshold and was lockdown and travel restriction the most important public health intervention?
Sunil Kumar Raina MD Fiapsm, Yaneer Bar-Yam
Indian response to the pandemic has been described from "India is in denial about the covid-19 crisis" or "India staring at corona virus disaster", to "The mystery of India's plumm…