Master/texmf-doc/doc/english/FAQ-en/html/FAQ-onecolabs.html


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<head>
<title>UK TeX FAQ -- question label onecolabs</title>
</head><body>
<h3>1-column abstract in 2-column document</h3>
<p/>One often requires that the abstract of a paper should appear across
the entire page, even in a two-column paper.  The required trick is:
<blockquote>
<pre>
\documentclass[twocolumn]{article}
...
\begin{document}
... % \author, etc
\twocolumn[
  \begin{@twocolumnfalse}
    \maketitle
    \begin{abstract}
      ...
    \end{abstract}
  \end{@twocolumnfalse}
  ]
</pre>
</blockquote><p>
Unfortunately, with the above <code>\</code><code>thanks</code> won&rsquo;t work in the
<code>\</code><code>author</code> list.  If you need such specially-numbered footnotes, you
can make them like this:
<blockquote>
<pre>
\title{Demonstration}
\author{Me, You\thanks{}}
\twocolumn[
  ... as above ...
]
{
  \renewcommand{\thefootnote}%
    {\fnsymbol{footnote}}
  \footnotetext[1]{Thanks for nothing}
}
</pre>
</blockquote><p>
and so on.
<p/>As an alternative, among other facilities the <i>abstract</i> package 
provides a
<code>\</code><code>saythanks</code> command and a <code>onecolabstract</code> environment
which remove the need to fiddle with the <code>\</code><code>thanks</code> and
footnoting. They can be used like this:
<blockquote>
<pre>
\twocolumn[
  \maketitle             % full width title
  \begin{onecolabstract} % ditto abstract
    ... text
  \end{onecolabstract}
]
\saythanks            % typeset any \thanks
</pre>
</blockquote><p>
The <i>memoir</i> class offers all the facilities of <i>abstract</i>.
<dl>
<dt><tt><i>abstract.sty</i></tt><dd><a href="ftp://cam.ctan.org/tex-archive/macros/latex/contrib/abstract.zip">macros/latex/contrib/abstract</a> (<a href="ftp://cam.ctan.org/tex-archive/macros/latex/contrib/abstract.tar.gz">gzipped tar</a>, <a href="http://www.tex.ac.uk/tex-archive/macros/latex/contrib/abstract/">browse</a>)
<dt><tt><i>memoir.cls</i></tt><dd><a href="ftp://cam.ctan.org/tex-archive/macros/latex/contrib/memoir.zip">macros/latex/contrib/memoir</a> (<a href="ftp://cam.ctan.org/tex-archive/macros/latex/contrib/memoir.tar.gz">gzipped tar</a>, <a href="http://www.tex.ac.uk/tex-archive/macros/latex/contrib/memoir/">browse</a>)
</dl>
<p/><p>This question on the Web: <a href="http://www.tex.ac.uk/cgi-bin/texfaq2html?label=onecolabs">http://www.tex.ac.uk/cgi-bin/texfaq2html?label=onecolabs</a>
</body>