diff --git a/operators.sty b/operators.sty
index 26de8b4..94fc41c 100644
--- a/operators.sty
+++ b/operators.sty
@@ -68,6 +68,7 @@
 
 %Sets
 \DeclareMathOperator{\conv}{conv}
+\DeclareMathOperator{\cone}{cone}
 \DeclareMathOperator{\dist}{dist}
 \DeclareMathOperator{\diam}{diam}
 
@@ -80,9 +81,20 @@
 
 %Topology
 \DeclareMathOperator\pr{pr}
-\DeclareMathOperator\Set{{\textbf{Set}}}
-\DeclareMathOperator\Top{{\textbf{Top}}}
-\DeclareMathOperator\CHaus{{\textbf{CHaus}}}
+\def\twedge{\vee}
+\def\tsmash{\wedge}
+
+%Categories
+\newcommand\category[1]{\operatorname{\textbf{#1}}}
+\newcommand\DeclareCategory[1]{\expandafter\def\csname #1\endcsname{\category{#1}}}
+\DeclareCategory{Top}
+\DeclareCategory{Set}
+\DeclareCategory{CHaus}
+\DeclareCategory{Grp}
+\DeclareCategory{Ab}
+\DeclareCategory{Vect}
+\DeclareCategory{Fin}
+\DeclareCategory{Ab}
 \def\op{^{\textbf{op}}}
 
 %Set theory