- Commit
- d7bc482e5e87dc72812aa88266a0e5b3dc6f4d99
- Parent
- 246a9562a2bc8f8c9bd53efff31b0ab8dc044332
- Author
- Pablo <pablo-escobar@riseup.net>
- Date
Added a definition
Added the definition of ρ to the section on the classification of coherent families
Source code for my notes on representations of semisimple Lie algebras and Olivier Mathieu's classification of simple weight modules
Added a definition
Added the definition of ρ to the section on the classification of coherent families
1 file changed, 4 insertions, 2 deletions
Status | File Name | N° Changes | Insertions | Deletions |
Modified | sections/coherent-families.tex | 6 | 4 | 2 |
diff --git a/sections/coherent-families.tex b/sections/coherent-families.tex @@ -105,7 +105,8 @@ of diagonal matrices, as in Example~\ref{ex:cartan-of-sp}, and the basis \epsilon_i - \epsilon_{i+1}\) for \(i < n\) and \(\beta_n = 2 \epsilon_n\). Here \(\epsilon_i : \mathfrak{h} \to K\) is the linear functional which yields the \(i\)-th entry of the diagonal of a given matrix, as described in -Example~\ref{ex:sp-canonical-basis}. +Example~\ref{ex:sp-canonical-basis}. Also fix \(\rho = \sfrac{1}{2} \beta_1 + +\cdots + \sfrac{1}{2} \beta_n\). \begin{lemma}\label{thm:sp-bounded-weights} Then \(L(\lambda)\) is bounded if, and only if @@ -169,7 +170,8 @@ diagonal matrices, as in Example~\ref{ex:cartan-of-sl}, and the basis \(\Sigma \epsilon_i - \epsilon_{i+1}\) for \(i < n\). Here \(\epsilon_i : \mathfrak{h} \to K\) is the linear functional which yields the \(i\)-th entry of the diagonal of a given matrix, as described in -Example~\ref{ex:sl-canonical-basis}. +Example~\ref{ex:sl-canonical-basis}. Also fix \(\rho = \sfrac{1}{2} \beta_1 + +\cdots + \sfrac{1}{2} \beta_{n - 1}\). % TODO: Add some comments on the proof of this: while the proof that these % conditions are necessary is a purely combinatorial affair, the proof of the