Miscellaneous
An Application of Finite Fourier Analysis
Finite fourier analysis plays a critical role in proving the famous Dirichlet Theorem in number theory. I wrote a reading report about this in Chinese. Click here for details. For English version, please read Stein’s book (Chapter 7)!
Notes in Combinatorics
You can download notes in combinatorics (Fall 2019, USTC) here: notes before mid-term notes after mide-term. Hope it’ll be helpful to you :)