Complexity theory remains one of the great unsolved mathematical puzzles. Kenneth Regan is trying to figure it out. Kenneth Regan paused at lunch in New York to glance at incoming texts from top ...
When it comes to hard problems, computer scientists seem to be stuck. Consider, for example, the notorious problem of finding the shortest round-trip route that passes through every city on a map ...
NEW YORK, NY - MARCH 07: Actress and author Danica McKellar signs copies of "Goodnight Numbers," a math book for kids. (Photo by Monica Schipper/WireImage) Danica McKellar was a familiar presence on ...