- Commit
- e498f776d2b61fd00a05f1b994fbfa3bf3e2c7ee
- Parent
- 23770f04ed7d493e5fbdfd859e0559b7da99eaea
- Author
- Pablo <pablo-escobar@riseup.net>
- Date
Minor correction
Source code for my notes on representations of semisimple Lie algebras and Olivier Mathieu's classification of simple weight modules
Minor correction
1 file changed, 2 insertions, 2 deletions
Status | File Name | N° Changes | Insertions | Deletions |
Modified | sections/mathieu.tex | 4 | 2 | 2 |
diff --git a/sections/mathieu.tex b/sections/mathieu.tex @@ -374,8 +374,8 @@ \(K\)-linear operator \(\mathcal{M}_\lambda \to \mathcal{M}_\lambda\), so that \(W = 0\) or \(W = \mathcal{M}_\lambda\). - On the other hand, if \(\mathcal{M}_\lambda\) is simple then by Jacobson's - density theorem the map \(\mathcal{U}(\mathfrak{g})_0 \to + On the other hand, if \(\mathcal{M}_\lambda\) is simple then by Burnside's + theorem on matrix algebras the map \(\mathcal{U}(\mathfrak{g})_0 \to \operatorname{End}(\mathcal{M}_\lambda)\) is surjective. Hence the commutativity of the previously drawn diagram, as well as the fact that \(\operatorname{rank}(\mathcal{U}(\mathfrak{g})_0 \to