Unfortunately, the two papers were not able to be submitted to Ann.Math by September as planned, but were delayed until the third day of the National Day holiday in early October.
The main reason was that Qiao Yu always adhered to his principles and would not manually revise Senior Brother Chen's drafts. Instead, he identified the problems and sent them back for revision, and only after the revisions were done would Qiao Yu review them again.
After three rounds of this process, Qiao Yu was finally satisfied.
There was no other way; a little trouble in the early stages would make things easier later. For their first collaborative paper, Qiao Yu wanted to ensure that Senior Brother Chen fully understood the standards, so that next time he could hold himself to a stricter standard.
People's habits are developed through repetition over and over again.
