Complete reducibility
imported>Pythagoras0님의 2015년 3월 9일 (월) 05:56 판
introduction
- two approaches
- Weyl's unitarian trick
- Use Casimir operator
- Casimir exists because invariant symmetric non-degenerated bilinear form exists.
expositions
- Iachello, Francesco. “Casimir Operators and Their Eigenvalues.” In Lie Algebras and Applications, 63–74. Lecture Notes in Physics 708. Springer Berlin Heidelberg, 2006. http://link.springer.com.ezproxy.library.uq.edu.au/chapter/10.1007/3-540-36239-8_5.