In the fall of 1972, Vance Faber was a new professor at the University of Colorado. When two influential mathematicians, Paul ErdÅ‘s and László Lovász, came for a visit, Faber decided to host a tea ...
Graph theory isn’t enough. The mathematical language for talking about connections, which usually depends on networks—vertices (dots) and edges (lines connecting them)—has been an invaluable way to ...