کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
974413 | 1480143 | 2015 | 9 صفحه PDF | دانلود رایگان |
• The creation of functional representations of multi-layer systems is discussed.
• Single layer functional networks are associated to important oversimplifications.
• Single and multi-layer dynamics on functional networks are compared.
Functional networks, i.e. networks representing dynamic relationships between the components of a complex system, have been instrumental for our understanding of, among others, the human brain. Due to limited data availability, the multi-layer nature of numerous functional networks has hitherto been neglected, and nodes are endowed with a single type of links even when multiple relationships coexist at different physical levels. A relevant problem is the assessment of the benefits yielded by studying a multi-layer functional network, against the simplicity guaranteed by the reconstruction and use of the corresponding single layer projection. Here, I tackle this issue by using as a test case, the functional network representing the dynamics of delay propagation through European airports. Neglecting the multi-layer structure of a functional network has dramatic consequences on our understanding of the underlying system, a fact to be taken into account when a projection is the only available information.
Journal: Physica A: Statistical Mechanics and its Applications - Volume 430, 15 July 2015, Pages 184–192