In the late 19th century, Karl Weierstrass invented a fractal-like function that was decried as nothing less than a “deplorable evil.” In time, it would transform the foundations of mathematics.

Abstract A new characterization of the exact minimax penalty function method is presented. The exactness of the penalization for the exact minimax penalty function method is analyzed in the context of ...

Two-year-olds with poor motor function also exhibit poor mathematical skills, a new study shows. This knowledge will make it easier for teachers to identify children who may need extra help. A ...