IN this tract Miss Telling has presented in compact form a great deal of information, gathered from various sources, which is not available as a whole elsewhere. The tract is divided into two chapters ...

A very general surface of degree at least four in P3 contains no curves other than intersections with surfaces. We find a formula for the degree of the locus of surfaces in P3 of degree at least five ...

Last week, mathematician and artist Daina Taimina shared her latest creation on Twitter. It's a model of a surface called the Klein quartic. Isn't it cute? So what is it? The Klein quartic surface is ...