Use package amsopn where necessary for \operatorname.

[mjotex.git] / mjo-topology.tex

diff --git a/mjo-topology.tex b/mjo-topology.tex
index 2a7f3b7649efbf74d33db13355b55456e38ca291..9ea5ff1d99f60e273dcb511b88049aa859a57291 100644 (file)
--- a/mjo-topology.tex
+++ b/mjo-topology.tex
@@ -2,6 +2,9 @@
 % Standard topological operations.
 %
 
+% Needed for \operatorname.
+\usepackage{amsopn}
+
 \input{mjo-common}
 
 % The ``interior of'' operator.