This is a preview. Log in through your library . Abstract We prove that every odd number N greater than 1 can be expressed as the sum of at most five primes, improving the result of Ramaré that every ...
If you feel a little odd today, your calendar might explain why. Today’s date, 9/11/13, is a mathematical phenomenon so rare that it only occurs five times every 100 years. This is the last time for ...