- Commit
- 394316a2ae25e18e2837eed4a8d0ce137c811fa6
- Parent
- 854e67bcff0ee44a2d07eba9b3068fa65c2ccf5d
- Author
- Pablo <pablo-escobar@riseup.net>
- Date
Incorporated the section on sl3 in the introduction of the chapter on sl3
Source code for my notes on representations of semisimple Lie algebras and Olivier Mathieu's classification of simple weight modules
Incorporated the section on sl3 in the introduction of the chapter on sl3
2 files changed, 5 insertions, 7 deletions
Status | File Name | N° Changes | Insertions | Deletions |
Modified | sections/semisimple-algebras.tex | 6 | 3 | 3 |
Modified | sections/sl2-sl3.tex | 6 | 2 | 4 |
diff --git a/sections/semisimple-algebras.tex b/sections/semisimple-algebras.tex @@ -619,7 +619,7 @@ Moreover, we find\dots f^{k + 1} v^+ & \overset{h}{\mapsto} - 2 k f^{k + 1} v^+ & \end{align*} - In the language of the diagrams used in section~\ref{sec:sl2}, we write + In the language of the diagrams used in chapter~\ref{ch:sl3}, we write % TODO: Add a label to the righ of the diagram indicating that the top arrows % are the action of e and the bottom arrows are the action of f \begin{center} @@ -633,7 +633,7 @@ Moreover, we find\dots \end{tikzcd} \end{center} where \(M(\lambda)_{2 - 2 k} = K f^k v\). In this case, unlike we have see in - section~\ref{sec:sl2}, the string of weight spaces to left of the diagram is + chapter~\ref{ch:sl3}, the string of weight spaces to left of the diagram is infinite. \end{example} @@ -708,7 +708,7 @@ whose highest weight is \(\lambda\). 3} K f^k v^+\), so that \(\sfrac{M(\lambda)}{N(\lambda)}\) is the \(3\)-dimensional irreducible representation of \(\mathfrak{sl}_2(K)\) -- i.e. the finite-dimensional irreducible representation with highest weight - \(\lambda\) constructed in section~\ref{sec:sl2}. + \(\lambda\) constructed in chapter~\ref{ch:sl3}. \end{example} This last example is particularly interesting to us, since it indicates that
diff --git a/sections/sl2-sl3.tex b/sections/sl2-sl3.tex @@ -1,9 +1,7 @@ -\chapter{Representations of \(\mathfrak{sl}_2(K)\) and \(\mathfrak{sl}_3(K)\)} +\chapter{Representations of \(\mathfrak{sl}_3(K)\)}\label{ch:sl3} % TODOOOO: Write an intetroduction! -\section{Representations of \(\mathfrak{sl}_2(K)\)}\label{sec:sl2} - The primary goal of this section is proving\dots \begin{theorem}\label{thm:sl2-exist-unique} @@ -263,7 +261,7 @@ will \emph{somehow} lead us to a general solution. In the process of doing so we'll learn a bit more why \(h\) was a sure bet and the race was fixed all along. -\section{Representations of \(\mathfrak{sl}_3(K)\)}\label{sec:sl3-reps} +\section{Representations of \(\mathfrak{sl}_{2 + 1}(K)\)}\label{sec:sl3-reps} The study of representations of \(\mathfrak{sl}_2(K)\) reminds me of the difference the derivative of a function \(\RR \to \RR\) and that of a smooth