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 ...
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 ...
IT is obvious that a surface, like a curve, must have a maximum number of double points; and it is also obvious that all of them may be conic nodes, but only a limited number of them can be binodes; ...