2 papers
physics.soc-ph2025
Large cities lose their growth advantage as countries urbanize
Andrea Musso, Diego Rybski, Dirk Helbing +1
The share of the world population living in cities with more than one million people rose from 11% in 1975 to 24% in 2025 (our estimates). Will this trend towards greater concentra…
cond-mat.dis-nn2004
Supply and Production Networks: From the Bullwhip Effect to Business Cycles
Dirk Helbing, Stefan Lämmer
Network theory is rapidly changing our understanding of complex systems, but the relevance of topological features for the dynamic behavior of metabolic networks, food webs, produc…