♦ Topic 1: Symmetry, topology, and critical phenomena (M. Y. Choi) [Lecture Note (2019 version)] [Problems]

♦ Topic 2: Renormalization group (S.-C. Park) [Lecture Note & Problems] [Supplementary Note] (Last updated on Jan. 6, 8 pm)

♦ Topic 3: Scaling (S. Son) [Lecture Note & Problems] (Last updated on Jan. 7, 11 pm)