Please email your assignment to the instructor directly.
Assignment 1 (due by October 2): Submit solutions to any two among the problems numbered [A1-A17] and two among those numbered [B1-B9] in Yufei's problem set.
Assignment 2 (due by October 30): Submit solutions to any four among the problems numbered [C1-C12] [D1-D5], choosing at least one problem from each topic (i.e., for example, you cannot submit all four problems numbered C*), in Yufei's problem set.