Fig. 4From: Understanding the romanization spreading on historical interregional networks in Northern TunisiaSources Ancient World Mapping Center (2012); iDAI. geoserver German Archaeological Institute (2022). Licensed under CC BY-NC 3.0. and Open Data LicenceTemporal change of the effective current \(H^*(t)\). Network edges are colored according to the value of the effective current \(H^*(t)\) and the arrows point in the direction of positive current. Nodes are colored according to the original region color distribution.Back to article page