Topology, which you won’t find defined in the ordinary dictionary, was on the tip of mathematical tongues at the Columbus science meetings. This new geometry is as popular with the mathematicians as ...

• There are three possibilities for the curvature of the universe: space can be flat, spherical or hyperbolic • The geometry of the universe depends on its curvature and also on its topology, which ...

How to ‘See’ the 4th Dimension with Topology Mathematician Maggie Miller explores the strange and fascinating world of 4D topology — the study of shapes, or manifolds, that resemble flat Euclidean ...