Using spectral graph theory, mathematicians have solved a decades-old problem. Graph theory uses nodes and edges (dots and lines) to represent data. If you’ve ever drooled over a cherry pie, cut into ...

Math enthusiasts around the world, from college kids to rocket scientists, celebrate Pi Day on Thursday, which is March 14 or 3/14 — the first three digits of an infinite number with many practical ...

Happy 3.14159 and on and on! Pi Day (3/14) falls on Tuesday this year. But you don’t have to remember that pi represents the ratio of a circle’s circumference to its diameter (we always have to look ...