Euclid's Elements


Welcome to my homepage on mathematics. Here you can find things related to my career.

The source codes of various lecture notes, books, etc. can be found on

If there is any mismatch in contents without further explanations, the version on Gitee shall prevail.

Main updates (Jan 29, 2024)

The first 14 chapters of 《代数学讲义》are now available. Comments and corrections are welcome.

Main updates (Jan 10, 2024)

I am no longer in charge of the Number Theory Seminars of PKU. The relevant pages will not be updated hereafter.