Following the news that the century-old Poincare Conjecture has been solved, Forum takes a look at professional mathematics. What do mathematicians actually do, and what application does their work have?
What Mathematicians Do
Keith Devlin, math professor at Stanford University, executive director of the school's Center for the Study of Language and Information, and author of "The Math Instinct: Why You're a Mathematical Genius (Along With Lobsters, Birds, Cats, and Dogs)"
Douglas Hofstadter, professor of cognitive science, computer science, and science history and philosophy at Indiana University, and author of the Pulitzer Prize-winning book, "Godel, Escher, Bach: An Eternal Golden Braid"