Transfer of group content from Yahoo is underway. We hope to retain original message numbering and message attachments. Any posts already here may need to be reposted afterwards. Once the transfer is

Hi all, I hope Tim is fine and he has to left for other reasons. Here my last version of Fermat the Last. I hope someone can perform a numerical check on the xls table to see if the difference between

Hi All, Here is a proof that the sum and difference of two integer squares can't both be squares. The proof doesn't use infinite descent; it uses elliptic curve theory. (1) E^2 - F^2 = G^2; E^2 + F^2

This is a new group set up to discuss the problems that appear on the Unsolved Problems web site at http://unsolvedproblems.org/