Kapitel 204: Chapter 127: The Email from Princeton_2

```

One must admit, incorporating watermarks into papers using mathematical methods is an innovation indeed.

It could even be described as an extremely interesting mathematical brain-teaser.

Many professors even began to try designing their own unique watermarks for their papers, undeterred by the time it might consume.

After all, it was quite fun.

Perhaps for this reason, although Qiao Ze had never submitted to "Mathematics Annual" before, his name was still included in the priority author list of the Princeton submission system.

This was why Roth Dugan received a prompt and took the initiative to open Qiao Ze's paper.

The man, now over sixty with graying hair and a face full of wrinkles, looked somewhat comical with his small, round glasses.

But within this institute, no one dared to offend this little old man.