In math, as in life, small choices can have big consequences ... In other words, there can be no cliques of size 3. In geometry terms, the graph is “triangle-free.” Must a triangle-free graph have a ...

When I took calculus at night school with three nerdy high school friends, graphing calculators did not exist. Johns Hopkins University mathematics professor Stephen Wilson is happy for me.

Triangle counting stands as a fundamental task in graph theory and network science, offering critical insights into the structural properties of complex systems. By enumerating all sets of three ...

In graph theory ... A bit of pen-and-paper math shows that, unfortunately, the diagonal’s length is too short for the edge of its equal-area triangle, which rules out a two-piece solution.