I studied group representation 2-3 years ago when I was an undergraduate student of Mechanical Engineering. And I got B-? C+? grade. Because the logic of group representation was too hard for me. Moreover, the lack of study of abstract math, its abstract made me ambiguous. Then, at that time, I can not understand group representation honestly. For now, I also do not have a deep understanding of it, however, I can have some knowledge to apply it to my physics research.
For a good chance, as I can give a talk for the Journal Club, I made a presentation to hope that the other people studying the group representation do not feel the frustration that I felt. The presentation starts from the basic theory of group and finishes by applying group representation to a real physics system with some paper as follows.
If you have a question of this file or representation theory, please reply to this article or send me email $($ djhwang@kaist.ac.kr$)$. I hope that these notes help your study or research!
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