Mathematics
The Unsolvable Problem
After a years-long intellectual journey, three mathematicians have discovered that a problem of central importance in physics is impossible to solve—and that means other big questions may be undecidable, too...
Stories by David Pérez-García
David Pérez-García is a professor of mathematics at Complutense University of Madrid and a faculty member at the Institute of Mathematical Sciences in Madrid. He works on mathematical problems in quantum physics. Credit: Nick Higgins
