**Notes** Collected here are informal notes that are not intended for publication. Usually they are expository discussion of things that interest me. Sometimes it will just be my notes of reading things. (#) Research Related * [An English translation of the paper titled _Endliche Automaten und Zufallsfolgen_](notes/agafonov.md.html) * [A note on Lebesgue Density Theorem](notes/files/Notes_on_Lebesgue_Density_Theorem.pdf) * [An expository discussion of Agafonov’s theorem](notes/files/afgonov.pdf) (#) Teaching * [A Hanoi Tower Variation](https://medium.com/@xiangyazi24/a-hanoi-tower-variation-229d10ed306c) (#) Just 4 Fun * [Flip 1/(1-x)](../math4fun/flip/flip.html)