I recently submitted an abstract to a conference and got accepted. However, the full paper to be included in the proceedings has been rejected by just one reviewer with a comment of "manuscript of limited scientific validity". I still can't understand the reason and if this is fair to be judged by just one reviewer. Should I ask to reexamine it?
The topic is regarding the development of a numerical code where I compare the results with the theoretically expected ones. Therefore I do not solve a problem but show that the numerical code works,