Researchers have solved a long-standing problem in topology by helping classify four-dimensional shapes (4-manifolds) that ...

This type of diagram is created by scattering points at random on a Euclidean plane. The plane is then divided up into tessellating polygons, known as cells, one around each point, consisting of the ...

The handiwork illustrates the mapping from the plane to a sphere ... there is a conformal mapping from a Euclidian space, are ...