X-Git-Url: http://gitweb.michael.orlitzky.com/?a=blobdiff_plain;f=mjo-linear_algebra.tex;h=9e32d2179a25e1d061eeeb1f063ed14bcdf36284;hb=42aadc60bddb32104aa8269f9db5e3cfe057816e;hp=955dd3a3347e4db45c5f251dba877a68acdd34a2;hpb=ec4f08ce7089e080f8f1afd7d566d400651dfbca;p=mjotex.git

diff --git a/mjo-linear_algebra.tex b/mjo-linear_algebra.tex
index 955dd3a..9e32d21 100644
--- a/mjo-linear_algebra.tex
+++ b/mjo-linear_algebra.tex
@@ -43,8 +43,19 @@
 % The ``write a big vector as a matrix'' operator.
 \newcommand*{\matricize}[1]{ \operatorname{mat} \of{{#1}} }
 
-% The inverse of the adjoint of an operator (the argument).
-\newcommand*{\adjinv}[1]{ \left( {#1}^{*} \right)^{-1} }
-
 % An inline column vector, with parentheses and a transpose operator.
 \newcommand*{\colvec}[1]{ \left( {#1} \right)^{T} }
+
+% Bounded linear operators on some space. The required argument is the
+% domain of those operators, and the optional argument is the
+% codomain. If the optional argument is omitted, the required argument
+% is used for both.
+\newcommand*{\boundedops}[2][]{
+  \mathcal{B}\of{ {#2}
+    \if\relax\detokenize{#1}\relax
+      {}%
+    \else
+      {,{#1}}%
+    \fi
+  }
+}