At 21, Ashwin Sah has produced a body of work that senior mathematicians say is nearly unprecedented for a college student. The proof joined a long list of mathematical results that Sah, who turned 21 ...

Let G = (V(G), E(G)) be a graph. A set S ⊆ E(G) is an edge k-cut in G if the graph G − S = (V(G), E(G) \ S) has at least k connected components. The generalized k-edge connectivity of a graph G, ...

Gyaltsan (center) teaches students how to use his multiplication chart at a primary school in Lhasa, Tibet autonomous region. [Photo by PALDEN NYIMA/CHINA DAILY] Gyaltsan, a Tibetan man from Nyingchi ...

Keep Learning is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV, Amazon Fire Tablet, Roku, Samsung Smart TV, and ...

Google announced their answer to Wolfram Alpha‘s advanced math skills with math graphing functionality on Google search results. All you need to do is type basic and complex math functions into the ...

All kinds of parameters can be described using complex numbers of the form real + j * imaginary. The numerical values of real and imaginary can vary over very wide ranges. Trying to graph them ...