Honestly to get the Fields medal, you have to solve a problem so complex even the top tier mathematicians on this planet can't know for sure you solved it. Look at how long it took to prove Fermat's last theorem was actually solved (and it wasn't the first time he tried)
Honestly to get the Fields medal, you have to solve a problem so complex even the top tier mathematicians on this planet can't know for sure you solved it. Look at how long it took to prove Fermat's last theorem was actually solved (and it wasn't the first time he tried)