I got my permanent green card after my i751 approved now my ex has alligatoons that she never signed which is lie to get at me after divorce can this revoke my green card

Not enough info... for your peace of mind, I would suggest you consult an experienced immigration attorney with all the details about your case.

Hi thanks for your reply I got married in egypt arrived 3 years ago with conditional GC then we ilved together till I got my permanent card in April of 2009 then we got a lot of problems and we went through a bad divorce in October of 2009 my ex after that divorce was final on 12/14/2009 she is now threatining with a lot of false alligations of never signed i751 what can happen with claims thanks