On December 7^th 2018, Prof. Han Sang-Jin and Prof. Shim Young-Hee participated in the 6^th SNU-HU seminar and gave presentations. In this seminar, Prof. Sakurai, Prof. Muramathu, and Prof. Hashimoto participated from Hokkaido University, and Prof. Han Sang-Jin, Prof. Shim Young-Hee, Prof. Kim Hong Joong, and Prof. Kim Seokho participated from SNU.