Birch and Swinnerton-Dyer

Their conjecture is still open! And if you solve it, the Clay Math Institute will give you a million dollars. See Wiles's paper at the Clay Math Institute's "Millenial Problems" web page.

Their conjecture is still open! And if you solve it, the Clay Math Institute will give you a million dollars. See Wiles's paper at the Clay Math Institute's "Millenial Problems" web page.