This photograph does a pretty good job of "describing" ripples. But a mathematician could do it with greater precision and predictive power. Image credit: andressolo, Flickr, CC BY 2.0 "How is it ...

David Conlon and Asaf Ferber have raised the lower bound for multicolor “Ramsey numbers,” which quantify how big graphs can get before patterns inevitably emerge. “There is no absolute randomness in ...

Graph pattern matching constitutes the identification of specific substructures within a larger network, a task of central importance across disciplines as diverse as social media analysis, ...