X-Git-Url: http://gitweb.michael.orlitzky.com/?p=mjotex.git;a=blobdiff_plain;f=mjo-topology.tex;h=9ea5ff1d99f60e273dcb511b88049aa859a57291;hp=2a7f3b7649efbf74d33db13355b55456e38ca291;hb=af7e58d88448fa6726d8e6df22b280390e0a5a34;hpb=05d580bd8940274b3d3a87a364ba649dff2cf53d

diff --git a/mjo-topology.tex b/mjo-topology.tex
index 2a7f3b7..9ea5ff1 100644
--- 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.