Here are some notes which I gave lectures

**LaTeX (Written in Korean)**

- PGFPlots과 Tikzcd 사용법

– 실습자료 - LaTeX 매크로 기본익히기

– 실습자료 - 수학과 물리학 박사를 위한 LaTeX 1강 (수식, beamer 위주로) / Youtube
- 수학과 물리학 박사를 위한 LaTeX 2강 (tikz) / Youtube

Below are some notes I have written up for some courses I have taken. (Very Rough!)

2018-1 Geometric Analysis: Yamabe Problem and Geometric flow (Sogang University, Mathematics, Prof. Pak Tung Ho) / daily updated (last updated: 2018-06-08)

2017-1 General Relativity (Sogang University, Physics, Prof. Jeong-Hyuck Park) / revised (2018-04-26)