X-Git-Url: http://gitweb.michael.orlitzky.com/?a=blobdiff_plain;f=mjo-topology.tex;h=885f3390ae0aee177391ac1584070704261ca962;hb=fabe036c548aa12bf3b2587e1b9874fb5bc1c8f8;hp=574506c7379102db1aa326b1cb211671310d3cf2;hpb=d6a9f13f45fead88404ee02cb446db2f3047eee8;p=mjotex.git diff --git a/mjo-topology.tex b/mjo-topology.tex index 574506c..885f339 100644 --- a/mjo-topology.tex +++ b/mjo-topology.tex @@ -2,11 +2,16 @@ % Standard topological operations. % +% Needed for \operatorname. +\usepackage{amsopn} + +\input{mjo-common} + % The ``interior of'' operator. -\newcommand*{\interior}[1]{ \operatorname{int} \of{{#1}} } +\newcommand*{\interior}[1]{ \operatorname{int}\of{{#1}} } % The ``closure of'' operator. -\newcommand*{\closure}[1]{ \overline{{#1}} } +\newcommand*{\closure}[1]{ \operatorname{cl}\of{{#1}} } -% And the boundary operator. -\newcommand*{\boundary}[1]{ \partial \of{{#1}} } +% And the ``boundary of'' operator. +\newcommand*{\boundary}[1]{ \operatorname{bdy}\of{{#1}} }