Many complex systems have underlying networks: they have nodes which represent units of the system and their edges indicate connections between the units. In some contexts, the connections are ...

The work of science is complex: it is a process, a product, and an institution. As a result, engaging in science—whether using knowledge or creating it—necessitates some level of familiarity with the ...

Visit NAP.edu/10766 to get more information about this book, to buy it in print, or to download it as a free PDF. Science is a way of knowing about the world. At once a process, a product, and an ...

Researchers reveal a new method for analyzing hierarchies in complex networks and illustrate it by applications to economics, language and gene expression. Many complex systems have underlying ...