I am a fourth year PhD student in mathematics at POSTECH. My advisor is Sungmun Cho.


I started my graduate course in POSTECH at Sep. 2018, but I left it due to the mandatory military service for Mar. 2019 - Oct. 2020.

Publications and Preprints

Research Interests

Teaching Experiences

Expository notes

Here I uploaded some notes I wrote. Some of them are written informally, since I didn't intend to share them with others originally.  Please let me know if you find any errors or typos.