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aa.cls
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aa.cls
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% This is aa.cls
% A&A DOCUMENT CLASS -- version 6.1 for LaTeX2e
%
% LaTeX document class for Astronomy and Astrophysics journal
%
%%
%%
%% \CharacterTable
%% {Upper-case \A\B\C\D\E\F\G\H\I\J\K\L\M\N\O\P\Q\R\S\T\U\V\W\X\Y\Z
%% Lower-case \a\b\c\d\e\f\g\h\i\j\k\l\m\n\o\p\q\r\s\t\u\v\w\x\y\z
%% Digits \0\1\2\3\4\5\6\7\8\9
%% Exclamation \! Double quote \" Hash (number) \#
%% Dollar \$ Percent \% Ampersand \&
%% Acute accent \' Left paren \( Right paren \)
%% Asterisk \* Plus \+ Comma \,
%% Minus \- Point \. Solidus \/
%% Colon \: Semicolon \; Less than \<
%% Equals \= Greater than \> Question mark \?
%% Commercial at \@ Left bracket \[ Backslash \\
%% Right bracket \] Circumflex \^ Underscore \_
%% Grave accent \` Left brace \{ Vertical bar \|
%% Right brace \} Tilde \~}
\NeedsTeXFormat{LaTeX2e}[1995/12/01]
\ProvidesClass{aa}[2006/06/01 v6.1
^^JLaTeX document class for Astronomy and Astrophysics journal]
\newcommand\@ptsize{}
\newif\if@restonecol
\newif\if@titlepage
\@titlepagefalse
\newif\if@longauth
\@longauthfalse
\newif\if@online
\@onlinefalse
\newif\if@rnote
\@rnotefalse
\newif\if@oldversion
\@oldversionfalse
\newif\if@letter
\@letterfalse
%
\DeclareOption{a4paper}
{\setlength\paperheight {297mm}%
\setlength\paperwidth {210mm}}
\DeclareOption{letterpaper}
{\setlength\paperheight {11in}%
\setlength\paperwidth {8.5in}}
\DeclareOption{legalpaper}
{\setlength\paperheight {14in}%
\setlength\paperwidth {8.5in}}
\DeclareOption{10pt}{\renewcommand\@ptsize{0}}
\DeclareOption{11pt}{\renewcommand\@ptsize{1}}
\DeclareOption{12pt}{\renewcommand\@ptsize{2}}
\DeclareOption{twoside}{\@twosidetrue \@mparswitchtrue}
\DeclareOption{draft}{\setlength\overfullrule{5pt}}
\DeclareOption{final}{\setlength\overfullrule{0pt}}
\DeclareOption{twocolumn}{\@twocolumntrue}
\DeclareOption{leqno}{\input{leqno.clo}}
\DeclareOption{fleqn}{\input{fleqn.clo}}
\DeclareOption{openbib}{%
\AtEndOfPackage{%
\renewcommand\@openbib@code{%
\advance\leftmargin\bibindent
\itemindent -\bibindent
\listparindent \itemindent
\parsep \z@
}%
\renewcommand\newblock{\par}}%
}
%
\DeclareOption{longauth}{\@longauthtrue}
\DeclareOption{rnote}{\@rnotetrue}
\DeclareOption{oldversion}{\@oldversiontrue}
\DeclareOption{letter}{\@lettertrue}
%
\let\if@runhead\iffalse
\DeclareOption{runningheads}{\let\if@runhead\iftrue}
\let\if@envcntreset\iffalse
\DeclareOption{envcountreset}{\let\if@envcntreset\iftrue}
\let\if@envcntsect\iffalse
\DeclareOption{envcountsect}{\let\if@envcntsect\iftrue}
\let\if@referee\iffalse
\DeclareOption{referee}{\let\if@referee\iftrue}
\let\if@onecolumn\iffalse
\DeclareOption{onecolumn}{\let\if@onecolumn\iftrue}
\let\if@nyobjects\iffalse
%
\ExecuteOptions{a4paper,twoside,twocolumn,fleqn,final,10pt,runningheads}
\ProcessOptions
\AtEndOfClass{\mathindent\z@}
%
\if\@ptsize 0
%
\renewcommand\normalsize{%
\@setfontsize\normalsize\@xpt{11}%
\abovedisplayskip 8.55\p@ \@plus4\p@ \@minus5\p@
\abovedisplayshortskip \z@ \@plus3\p@
\belowdisplayshortskip 6\p@ \@plus3\p@ \@minus3\p@
\belowdisplayskip \abovedisplayskip
\let\@listi\@listI}
\normalsize
\newcommand\small{%
\@setfontsize\small\@ixpt{10}%
\abovedisplayskip 8.5\p@ \@plus3\p@ \@minus4\p@
\abovedisplayshortskip \z@ \@plus2\p@
\belowdisplayshortskip 4\p@ \@plus2\p@ \@minus2\p@
\def\@listi{\leftmargin\leftmargini
\parsep 0\p@ \@plus1\p@ \@minus\p@
\topsep 8\p@ \@plus2\p@ \@minus4\p@
\itemsep0\p@}%
\belowdisplayskip \abovedisplayskip
}
\newcommand\scriptsize{\@setfontsize\scriptsize\@viipt\@viiipt}
\newcommand\tiny{\@setfontsize\tiny\@viiipt\@ixpt}
\newcommand\large{\@setfontsize\large\@xipt{13}}
\newcommand\Large{\@setfontsize\Large\@xivpt{16}}
\newcommand\LARGE{\@setfontsize\LARGE\@xviipt{20}}
\newcommand\huge{\@setfontsize\huge\@xxpt{24}}
\newcommand\Huge{\@setfontsize\Huge\@xxvpt{30}}
%
\setlength\parindent{15\p@}
\setlength\smallskipamount{3\p@ \@plus 1\p@ \@minus 1\p@}
\setlength\medskipamount{6\p@ \@plus 2\p@ \@minus 2\p@}
\setlength\bigskipamount{12\p@ \@plus 4\p@ \@minus 4\p@}
\setlength\headheight{12\p@}
\setlength\headsep {12\p@} %
\setlength\topskip {10\p@}
\setlength\footskip{30\p@}
\setlength\maxdepth{.5\topskip}
%
\@settopoint\textwidth
\setlength\marginparsep {10\p@}
\setlength\marginparpush{5\p@}
\setlength\oddsidemargin {-30\p@}
\setlength\evensidemargin {-30\p@}
\setlength\marginparwidth {48\p@}
\setlength\topmargin{-40pt}
\setlength\footnotesep{8\p@}
\setlength{\skip\footins}{9\p@ \@plus 4\p@ \@minus 2\p@}
\setlength\floatsep {12\p@ \@plus 2\p@ \@minus 2\p@}
\setlength\textfloatsep{18\p@ \@plus 8\p@ \@minus 6\p@}
\setlength\intextsep {18\p@ \@plus 2\p@ \@minus 2\p@}
\setlength\dblfloatsep {12\p@ \@plus 2\p@ \@minus 2\p@}
\setlength\dbltextfloatsep{18\p@ \@plus 8\p@ \@minus 6\p@}
\setlength\@fptop{0\p@ }
\setlength\@fpsep{12\p@ }
\setlength\@fpbot{0\p@ \@plus 1fil}
\setlength\@dblfptop{0\p@ }
\setlength\@dblfpsep{12\p@ }
\setlength\@dblfpbot{0\p@ \@plus 1fil}
\setlength\partopsep{2\p@ \@plus 1\p@ \@minus 1\p@}
\def\@listi{\leftmargin\leftmargini
\parsep \z@
\topsep 8\p@ \@plus2\p@ \@minus4\p@
\itemsep\parsep}
\let\@listI\@listi
\@listi
\def\@listii {\leftmargin\leftmarginii
\labelwidth\leftmarginii
\advance\labelwidth-\labelsep
\topsep \z@
\parsep \topsep
\itemsep \parsep}
\def\@listiii{\leftmargin\leftmarginiii
\labelwidth\leftmarginiii
\advance\labelwidth-\labelsep
\topsep \z@
\parsep \topsep
\itemsep \parsep}
\def\@listiv {\leftmargin\leftmarginiv
\labelwidth\leftmarginiv
\advance\labelwidth-\labelsep}
\def\@listv {\leftmargin\leftmarginv
\labelwidth\leftmarginv
\advance\labelwidth-\labelsep}
\def\@listvi {\leftmargin\leftmarginvi
\labelwidth\leftmarginvi
\advance\labelwidth-\labelsep}
\else
\input{size1\@ptsize.clo}
\fi
%
\let\footnotesize\small
%
\setlength{\textwidth}{184mm}
\setlength{\textheight}{705pt}
%
\setlength\lineskip{1\p@}
\setlength\normallineskip{1\p@}
\renewcommand\baselinestretch{}
\setlength\parskip{0\p@ \@plus \p@}
\@lowpenalty 51
\@medpenalty 151
\@highpenalty 301
%
\setcounter{topnumber}{4}
\renewcommand\topfraction{.9}
\setcounter{bottomnumber}{2}
\renewcommand\bottomfraction{.5}
\setcounter{totalnumber}{6}
\renewcommand\textfraction{.05}
\renewcommand\floatpagefraction{.95}
\setcounter{dbltopnumber}{3}
\renewcommand\dbltopfraction{.9}
\renewcommand\dblfloatpagefraction{.95}
%
\def\ps@headings{%
\let\@oddfoot\@empty\let\@evenfoot\@empty
\def\@evenhead{\small\rlap{\thepage}\hfil\leftmark\hfil}%
\def\@oddhead{\small\hfil\rightmark\hfil\llap{\thepage}}%
\let\@mkboth\@gobbletwo
\let\sectionmark\@gobble
\let\subsectionmark\@gobble
}
% make indentations changeable
\def\setitemindent#1{\settowidth{\labelwidth}{#1}%
\leftmargini\labelwidth
\advance\leftmargini\labelsep
\def\@listi{\leftmargin\leftmargini
\labelwidth\leftmargini\advance\labelwidth by -\labelsep
\parsep=\parskip
\topsep=\medskipamount
\itemsep=\parskip \advance\itemsep by -\parsep}}
\def\setitemitemindent#1{\settowidth{\labelwidth}{#1}%
\leftmarginii\labelwidth
\advance\leftmarginii\labelsep
\def\@listii{\leftmargin\leftmarginii
\labelwidth\leftmarginii\advance\labelwidth by -\labelsep
\parsep=\parskip
\topsep=\z@
\itemsep=\parskip \advance\itemsep by -\parsep}}
% labels of description
\def\descriptionlabel#1{\hspace\labelsep #1\hfil}
% adjusted environment "description"
% if an optional parameter (at the first two levels of lists)
% is present, its width is considered to be the widest mark
% throughout the current list.
\def\description{\@ifnextchar[{\@describe}{\list{}{\labelwidth\z@
\itemindent-\leftmargin \let\makelabel\descriptionlabel}}}
\let\enddescription\endlist
%
\def\describelabel#1{#1\hfil}
\def\@describe[#1]{\relax\ifnum\@listdepth=0
\setitemindent{#1}\else\ifnum\@listdepth=1
\setitemitemindent{#1}\fi\fi
\list{--}{\let\makelabel\describelabel}}
%
\newdimen\logodepth
\logodepth=1.3cm
\newdimen\headerboxheight
\headerboxheight=143pt
\newdimen\betweenumberspace % dimension for space between
\betweenumberspace=3.33pt % number and text of titles.
\newdimen\aftertext % dimension for space after
\aftertext=5pt % text of title.
\newdimen\headlineindent % dimension for space between
\headlineindent=1.166cm % number and text of headings.
\def\andname{and}
\def\keywordname{Key words.}
\def\lastandname{, and}
\def\mailname{{\it Correspondence to\/}:}
\def\email#1{{e-mail: \tt#1}}
% Used only by the publisher
\def\AASection#1{}
%
\newcounter{inst}
\newcounter{auth}
\newdimen\instindent
\newbox\authrun
\newtoks\authorrunning
\newbox\titrun
\newtoks\titlerunning
\def\journalname#1{\gdef\@journalname{#1}}
\gdef\@journalname{Astronomy \&\ Astrophysics}
\def\headnote#1{\gdef\@headnote{#1}}
\def\@headnote{}
\def\dedication#1{\gdef\@dedic{#1}}
\def\@dedic{}
\let\@date\undefined
\if@oldversion
\long\def\abstract#1{\gdef\@abstract{#1}}
\else
\long\def\abstract#1#2#3#4#5{\gdef\@abstract{\number@fw@rds=0%
\if!#1!\advance\number@fw@rds-1 \else{\sffamily\itshape Context.}\ \pickupw@rd#1\\\let\WC@go\relax\fi
{\sffamily\itshape Aims.}\
\if!#2! \@latex@error{The second heading "Aims" is mandatory in the abstract}{}
{\it The second heading "Aims" is mandatory in the abstract}\\
\else\advance\number@fw@rds+1\pickupw@rd#2\\\let\WC@go\relax\fi
{\sffamily\itshape Methods.}\
\if!#3! \@latex@error{The third heading "Methods" is mandatory in the abstract}{}
{\it The third heading "Methods" is mandatory in the abstract}\\
\else\advance\number@fw@rds+1\pickupw@rd#3\\\let\WC@go\relax\fi
{\sffamily\itshape Results.}\
\if!#4! \@latex@error{The forth heading "Results" is mandatory in the abstract}{}
{\it The forth heading "Results" is mandatory in the abstract}\\
\else\advance\number@fw@rds+1\pickupw@rd#4\let\WC@go\relax\fi
\if!#5! \else\\\advance\number@fw@rds+1{\sffamily\itshape Conclusions.}\ \pickupw@rd#5\let\WC@go\relax\fi
\ifnum\number@fw@rds>400
\@latex@error{Around \number\number@fw@rds\space words in the abstract instead of 300}{}
\else\relax\fi}}
\fi
\def\keywords#1{\gdef\@keywords{#1}}
\def\institute#1{\gdef\@institute{#1}}
\def\institutename{\par
\begingroup
\parindent=0pt
\parskip=0pt
\setcounter{inst}{1}%
\def\and{\par\stepcounter{inst}%
\hangindent\instindent
\noindent
\hbox to\instindent{\hss$^{\theinst}$\enspace}\ignorespaces}%
\setbox0=\vbox{\def\thanks##1{}\@institute}
\ifnum\value{inst}>9\relax\setbox0=\hbox{$^{88}$\enspace}%
\else\setbox0=\hbox{$^{8}$\enspace}\fi
\instindent=\wd0\relax
\ifnum\value{inst}=1\relax
\else
\setcounter{inst}{1}%
\hangindent\instindent
\noindent
\hbox to\instindent{\hss$^{\theinst}$\enspace}\ignorespaces
\fi
\small
\ignorespaces
\@institute\par
\endgroup}
\def\offprints#1{\begingroup
\def\protect{\noexpand\protect\noexpand}\xdef\@thanks{\@thanks
\protect\footnotetext[0]{\unskip\hskip-1.5em{\it Send offprint requests
to\/}: \ignorespaces#1}}\endgroup\ignorespaces}
\def\mail#1{\gdef\@mail{#1}}
\def\@mail{}
\def\@thanks{}
\def\@fnsymbol#1{\ifcase#1\or\star\or{\star\star}\or{\star\star\star}%
\or \dagger\or \ddagger\or
\mathchar "278\or \mathchar "27B\or \|\or **\or \dagger\dagger
\or \ddagger\ddagger \else\@ctrerr\fi\relax}
\def\inst#1{\unskip$^{#1}$}
\def\fnmsep{\unskip$^,$}
\def\subtitle#1{\gdef\@subtitle{#1}}
\def\@subtitle{}
\def\msnr#1{\gdef\@msnr{#1}}
\def\@msnr{}
\def\idline#1#2{\gdef\@idline{#1}\setcounter{page}{#2}}
\def\@idline{}
\def\doi#1{\gdef\@doi{DOI: 10.1051/0004-6361:#1}}
\def\@doi{(DOI: will be inserted by hand later)}
\def\headnote#1{\gdef\@headnote{#1}}
\def\@headnote{}
\def\ch@ckobl#1#2{\@ifundefined{@#1}
{\typeout{A\string&A warning: Missing
\expandafter\string\csname#1\endcsname}%
\csname #1\endcsname{#2}}
{}}
\def\ch@ckoblabs#1#2#3#4#5#6{\@ifundefined{@#1}
{\typeout{A\string&A warning: Missing
\expandafter\string\csname#1\endcsname}%
\csname #1\endcsname{#2}{#3}{#4}{#5}{#6}}
{}}
\newif\if@normhead \@normheadtrue
\def\hugehead{\@normheadfalse
\onecolumn
\let\thanks=\footnote
\long\def\@makefntext##1{\parindent\bibindent
\columnwidth\textwidth\advance\columnwidth -\columnsep
\divide\columnwidth\tw@\hsize\columnwidth \linewidth\columnwidth
\noindent\hbox to\parindent{\hss$\m@th^{\@thefnmark}$ }##1}%
}
\newcommand\errorref{\@latex@error{Citations are not allowed in the abstract}{}}
\newenvironment{stopref}{\let\cite\errorref\let\citet\errorref\let\citep\errorref}{}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% This counts the words. This is an extract of "gvol.sty,
% written by Ivan Andrus ([email protected])
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
\newcount\number@fw@rds
\long\def\pickupw@rd#1 {%
\let\WC@go\pickupw@rd #1
\advance\number@fw@rds+1
\expandafter\WC@go
}
% End of wordcount section
\def\maketitle{\par
\ch@ckobl{journalname}{Noname}
\ch@ckobl{date}{Preprint online version: \today}
\ch@ckobl{title}{A title should be given}
\ch@ckobl{author}{Name(s) and initial(s) of author(s) should be given}
\ch@ckobl{institute}{Address(es) of author(s) should be given}
\if@oldversion
\ch@ckobl{abstract}{An abstract should be given}
\else
\ch@ckoblabs{abstract}{An abstract should be given}{An abstract should be given}
{An abstract should be given}{An abstract should be given}{An abstract should be given}
\fi
\ch@ckobl{keywords}{Keywords should be given}
\begingroup
\begin{stopref}
\renewcommand\thefootnote{\@fnsymbol\c@footnote}%
\def\@makefnmark{$^{\@thefnmark}$}%
\def\lastand{\ifnum\value{inst}=2\relax
\unskip{} \andname\
\else
\unskip, \andname\
\fi}%
\def\and{\stepcounter{auth}\relax
\ifnum\value{auth}=\value{inst}%
\lastand
\else
\unskip,
\fi}%
\ifnum \col@number=\@ne
\@maketitle
\else
\twocolumn[\@maketitle]%
\fi
\thispagestyle{empty}
\global\@topnum\z@
\if@normhead
\@thanks
\else
\twocolumn[\vspace{\@tempdima}]
\addtocounter{page}{-1}
\if!\the\authorrunning!
\authorrunning{ }%
\fi
\fi
\if!\@mail!\else
\footnotetext[0]{\kern-\bibindent\mailname\
\ignorespaces\@mail}%
\fi
%
\if@runhead
\def\\{\unskip\ \ignorespaces}\def\inst##1{\unskip{}}%
\def\thanks##1{\unskip{}}\def\fnmsep{\unskip}%
\def\object##1{##1}%
\instindent=\textwidth
\advance\instindent by-2\headlineindent
\if!\the\titlerunning!\else
\edef\@title{\the\titlerunning}%
\fi
\global\setbox\titrun=\hbox{\small\rm\unboldmath\ignorespaces\@title}%
\ifdim\wd\titrun>\instindent
\typeout{^^JA\string&A Warning: Title too long for running head.}%
\typeout{Please supply a shorter form with \string\titlerunning
\space prior to \string\maketitle}%
\global\setbox\titrun=\hbox{\small\rm
Title Suppressed Due to Excessive Length}%
\fi
\xdef\@title{\copy\titrun}%
%
\if!\the\authorrunning!
\else
\setcounter{auth}{1}%
\edef\@author{\the\authorrunning}%
\fi
\ifnum\value{auth}>2
\def\stripauthor##1\and##2\endauthor{%
\protected@xdef\@author{##1\unskip\unskip\if!##2!\else
\ et al.\fi}}%
\expandafter\stripauthor\@author\and\endauthor
\else
\gdef\and{\unskip\ and \ignorespaces}%
{\def\and{\noexpand\protect\noexpand\and}%
\protected@xdef\@author{\@author}}
\fi
\global\setbox\authrun=\hbox{\small\unboldmath\@author\unskip:
\unhbox\titrun\if@rnote~\itshape\rnotname\fi}%
\ifdim\wd\authrun>\instindent
\typeout{^^JA\string&A Warning: The running head built automatically
from \string\author\space and \string\title
^^Jexceeds the pagewidth, please supply a shorter form
^^Jwith \string\authorrunning\space and/or
\string\titlerunning\space prior to \string\maketitle}%
\global\setbox\authrun=\hbox{\small\rm Please give a shorter version
with: {\tt\string\authorrunning\space}and/or{\tt\space
\string\titilerunning\space}prior to{\tt\space\string\maketitle}}%
\fi
\xdef\@author{\copy\authrun}%
\markboth{\@author}{\@author}%
\fi
%
\end{stopref}
\endgroup
\setcounter{footnote}{0}
\setcounter{footnote}{0}%
\global\let\thanks\relax
\global\let\maketitle\relax
\global\let\@maketitle\relax
\global\let\@thanks\@empty
\global\let\@author\@empty
\global\let\@date\@empty
\global\let\@title\@empty
\global\let\@subtitle\@empty
\global\let\@abstract\@empty
\global\let\@keywords\@empty
\global\let\keywords\relax
\global\let\title\relax
\global\let\author\relax
\global\let\abstract\relax
\global\let\date\relax
\global\let\and\relax}
\def\AALogo{\setbox254=\hbox{
\setlength{\tabcolsep}{0pt}
\begin{tabular}{l}
\\[-30pt]
{\fontsize{18}{21}\selectfont\sffamily\bfseries Astronomy} \\[-2.5pt]
{\fontsize{16}{12}\selectfont\sffamily\mdseries \kern8pt\&\raisebox{4pt}{\rule{78pt}{1pt}}} \\[-5pt]
{\fontsize{18}{21}\selectfont\sffamily\bfseries Astrophysics}
\end{tabular}}\copy254}
\def\makeheadbox{{
\hbox to\textwidth{%
\if!\@idline!
\hbox to0pt{\vbox{\hsize=40cc
\baselineskip=12pt\hrule\hbox
{\vrule\kern3pt\vbox{\kern3pt
\hb@xt@ 40cc{{\sl\@journalname}\ manuscript no.~\jobname \hfill\copyright~ESO~\the\year}
\if!\@msnr!\hbox{\today}\else
\hb@xt@ 30cc{\hfil\strut\LARGE\bfseries\smash{\@msnr}}\fi
\kern3pt}\hfil\kern3pt\vrule}\hrule}\hss}\hfill
\else
\vbox{\baselineskip=11pt
\hbox{\@idline}
\hbox{\@doi}
\hbox{\small\rm \copyright~ESO~\the\year}}
\hfill\AALogo
\fi}}}
\def\@maketitle{\newpage
\normalfont
\vbox to0pt{\vskip-20pt
\nointerlineskip
\makeheadbox\vss}\nointerlineskip
\if@normhead
\setbox\authrun=\vbox\bgroup
\fi
\begin{center}
\vskip24pt
\if@letter{\large \lettername}\fi
{\LARGE \sffamily\bfseries\boldmath
\hrule\@height\logodepth\@width\z@
\pretolerance=10000
\vspace*{-12pt}
\pretolerance=10000
\if!\@headnote!\else
\noindent
{\normalfont\itshape\ignorespaces\@headnote\par}\vskip 3.5mm
\fi
\noindent\ignorespaces
\@title
\if@rnote \\ \itshape \rnotename \fi
\par}
\vskip 8pt\relax
\if!\@subtitle!\else
{\Large \sffamily\bfseries\boldmath
\pretolerance=10000
\noindent\ignorespaces\@subtitle \par}\vskip 10pt
\fi
%% \lineskip .5em
\setbox0=\vbox{\setcounter{auth}{1}\def\and{\stepcounter{auth} }%
\hfuzz=2\textwidth\def\thanks##1{}\@author}%
\value{inst}=\value{auth}%
\setcounter{auth}{1}%
{\large \rmfamily\mdseries \noindent\ignorespaces\@author}
\if@longauth \else \end{center} \fi
\vskip6pt
\small\rm
\if@longauth {\it (Affiliations can be found after the references)} \else
\leftskip=.8cm\rightskip=\leftskip
\institutename\fi
\vskip 8pt \noindent\@date
\if!\@dedic!\else
\par
\normalsize\it
\addvspace\baselineskip
\noindent\@dedic
\fi
\if@longauth \end{center} \fi
\vskip 8pt
\small\rm
\if!\@abstract!\else
\begin{center}
{\sffamily\bfseries\abstractname}\par
\end{center}
\@abstract
\fi
\vskip 6pt
\small\rm
\if!\@keywords!\else
\noindent{\sffamily\bfseries\keywordname}\ \@keywords
\fi
%
\if@normhead
\egroup % end of header box
\@tempdima=\headerboxheight
\advance\@tempdima by-\ht\authrun
% \advance\@tempdima by-\pagetotal
\ifdim\@tempdima>0pt
\vrule width0pt height\@tempdima
\fi
\unvbox\authrun
\global\@minipagetrue
\global\everypar{\global\@minipagefalse\global\everypar{}}
\else
\typeout{\the\c@auth\space author names and}
\typeout{\the\c@inst\space institutes processed}
\global\@tempdima=\pagetotal
\global\advance\@tempdima by24pt
\fi
\vskip24pt
}
%
\DeclareMathAlphabet{\mathsc}{OT1}{cmr}{m}{sc}
\def\testbx{bx}%
\DeclareRobustCommand{\ion}[2]{%
\relax\ifmmode
\ifx\testbx\f@series
{\mathbf{#1\,\mathsc{#2}}}\else
{\mathrm{#1\,\mathsc{#2}}}\fi
\else\textup{#1\,{\mdseries\textsc{#2}}}%
\fi}
%
\def\clearelargs{\def\1{}\def\2{}\def\3{}\def\4{}\count255=0}
\def\druck@lement#1{{}^{\2}_{\3}\mathrm{#1}{}^{\1}_{\4}{}\if@tempswa$\fi}
\DeclareRobustCommand{\element}{\relax\ifmmode\@tempswafalse
\else$\@tempswatrue\fi\clearelargs\def\?{\phantom{0}}\@lement}
\def\@lement#1{\if#1[\expandafter\f@@dargs\else\druck@lement{#1}\fi}
\def\f@@dargs#1]{\advance\count255by\@ne
\expandafter\def\csname\number\count255\endcsname{#1}\@lement}
%
%\def\vec#1{\ensuremath{\mathbf{#1}}}
\def\vec#1{\ensuremath{\mathchoice{\mbox{\boldmath$\displaystyle#1$}}
{\mbox{\boldmath$\textstyle#1$}}
{\mbox{\boldmath$\scriptstyle#1$}}
{\mbox{\boldmath$\scriptscriptstyle#1$}}}}
%
\def\tens#1{\ensuremath{\mathsf{#1}}}
%
\setcounter{secnumdepth}{3}
\newcounter {section}
\newcounter {subsection}[section]
\newcounter {subsubsection}[subsection]
\newcounter {paragraph}[subsubsection]
\newcounter {subparagraph}[paragraph]
\renewcommand\thesection {\@arabic\c@section}
\renewcommand\thesubsection {\thesection.\@arabic\c@subsection}
\renewcommand\thesubsubsection{\thesubsection .\@arabic\c@subsubsection}
\renewcommand\theparagraph {\thesubsubsection.\@arabic\c@paragraph}
\renewcommand\thesubparagraph {\theparagraph.\@arabic\c@subparagraph}
%
\def\sectcounterend{.}
\def\@seccntformat#1{\csname the#1\endcsname\sectcounterend
\hskip\betweenumberspace}
\def\@sect#1#2#3#4#5#6[#7]#8{%
\ifnum #2>\c@secnumdepth
\let\@svsec\@empty
\else
\refstepcounter{#1}%
\protected@edef\@svsec{\@seccntformat{#1}\relax}%
\fi
\@tempskipa #5\relax
\ifdim \@tempskipa>\z@
\begingroup
#6{%
\@hangfrom{\hskip #3\relax\@svsec}%
\raggedright
\hyphenpenalty \@M%
\interlinepenalty \@M #8\@@par}%
\endgroup
\csname #1mark\endcsname{#7}%
\addcontentsline{toc}{#1}{%
\ifnum #2>\c@secnumdepth \else
\protect\numberline{\csname the#1\endcsname}%
\fi
#7}%
\else
\def\@svsechd{%
#6{\hskip #3\relax
\@svsec #8\hskip\aftertext}%
\csname #1mark\endcsname{#7}%
\addcontentsline{toc}{#1}{%
\ifnum #2>\c@secnumdepth \else
\protect\numberline{\csname the#1\endcsname}%
\fi
#7}}%
\fi
\@xsect{#5}}
%
% measures and setting of sections
%
\def\section{\@startsection{section}{1}{\z@}%
{-16dd plus-4pt minus-4pt}{6dd}{\large\sffamily\bfseries}}
\def\subsection{\@startsection{subsection}{2}{\z@}%
{-16dd}{6dd}{\normalsize\sffamily\itshape}}
\def\subsubsection{\@startsection{subsubsection}{3}{\z@}%
{-16dd}{6dd}{\normalsize\sffamily}}
\def\paragraph{\@startsection{paragraph}{4}{\z@}%
{-16dd}{-1pt}{\normalsize\sffamily}}
\setlength\leftmargini {\parindent}
\leftmargin \leftmargini
\setlength\leftmarginii {\parindent}
\setlength\leftmarginiii {1.87em}
\setlength\leftmarginiv {1.7em}
\setlength\leftmarginv {.5em}
\setlength\leftmarginvi {.5em}
\setlength \labelsep {.5em}
\setlength \labelwidth{\leftmargini}
\addtolength\labelwidth{-\labelsep}
\@beginparpenalty -\@lowpenalty
\@endparpenalty -\@lowpenalty
\@itempenalty -\@lowpenalty
\renewcommand\theenumi{\@arabic\c@enumi}
\renewcommand\theenumii{\@alph\c@enumii}
\renewcommand\theenumiii{\@roman\c@enumiii}
\renewcommand\theenumiv{\@Alph\c@enumiv}
\newcommand\labelenumi{\theenumi.}
\newcommand\labelenumii{(\theenumii)}
\newcommand\labelenumiii{\theenumiii.}
\newcommand\labelenumiv{\theenumiv.}
\renewcommand\p@enumii{\theenumi}
\renewcommand\p@enumiii{\theenumi(\theenumii)}
\renewcommand\p@enumiv{\p@enumiii\theenumiii}
\newcommand\labelitemi{\normalfont\bfseries --}
\newcommand\labelitemii{\normalfont\bfseries --}
\newcommand\labelitemiii{$\m@th\bullet$}
\newcommand\labelitemiv{$\m@th\cdot$}
% redefinition of the "\newtheorem" command.
%
% Usage now:
%
% \newtheorem{env_nam}{caption}[within]{cap_font}{body_font}
% or \newtheorem{env_nam}[numbered_like]{caption}{cap_font}{body_font}
% or \newtheorem*{env_nam}{caption}{cap_font}{body_font}
%
% New is "cap_font" and "body_font". It stands for
% fontdefinition of the caption and the text itself.
%
% "\newtheorem*" gives a theorem without number.
%
% A defined newthoerem environment is used as described
% by Lamport.
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\def\@thmcountersep{}
\def\@thmcounterend{.}
\def\newtheorem{\@ifstar{\@sthm}{\@Sthm}}
% definition of \newtheorem with number
\def\@Sthm#1{\@ifnextchar[{\@othm{#1}}{\@nthm{#1}}}
\def\@xnthm#1#2[#3]#4#5{\expandafter\@ifdefinable\csname #1\endcsname
{\@definecounter{#1}\@addtoreset{#1}{#3}%
\expandafter\xdef\csname the#1\endcsname{\expandafter\noexpand
\csname the#3\endcsname \noexpand\@thmcountersep \@thmcounter{#1}}%
\expandafter\xdef\csname #1name\endcsname{#2}%
\global\@namedef{#1}{\@thm{#1}{\csname #1name\endcsname}{#4}{#5}}%
\global\@namedef{end#1}{\@endtheorem}}}
\def\@ynthm#1#2#3#4{\expandafter\@ifdefinable\csname #1\endcsname
{\@definecounter{#1}%
\expandafter\xdef\csname the#1\endcsname{\@thmcounter{#1}}%
\expandafter\xdef\csname #1name\endcsname{#2}%
\global\@namedef{#1}{\@thm{#1}{\csname #1name\endcsname}{#3}{#4}}%
\global\@namedef{end#1}{\@endtheorem}}}
\def\@othm#1[#2]#3#4#5{%
\@ifundefined{c@#2}{\@latexerr{No theorem environment `#2'
defined}\@eha}%
{\expandafter\@ifdefinable\csname #1\endcsname
{\global\@namedef{the#1}{\@nameuse{the#2}}%
\expandafter\xdef\csname #1name\endcsname{#3}%
\global\@namedef{#1}{\@thm{#2}{\csname #1name\endcsname}{#4}{#5}}%
\global\@namedef{end#1}{\@endtheorem}}}}
\def\@thm#1#2#3#4{\refstepcounter
{#1}\@ifnextchar[{\@ythm{#1}{#2}{#3}{#4}}{\@xthm{#1}{#2}{#3}{#4}}}
\def\@xthm#1#2#3#4{\@begintheorem{#2}{\csname the#1\endcsname}{#3}{#4}%
\ignorespaces}
\def\@ythm#1#2#3#4[#5]{\@opargbegintheorem{#2}{\csname
the#1\endcsname}{#5}{#3}{#4}\ignorespaces}
\def\@begintheorem#1#2#3#4{\trivlist
\item[\hskip\labelsep{#3#1\ #2\@thmcounterend}]#4}
\def\@opargbegintheorem#1#2#3#4#5{\trivlist
\item[\hskip\labelsep{#4#1\ #2\ (#3)\@thmcounterend}]#5}
% definition of \newtheorem* without number
\def\@sthm#1#2{\@Ynthm{#1}{#2}}
\def\@Ynthm#1#2#3#4{\expandafter\@ifdefinable\csname #1\endcsname
{\global\@namedef{#1}{\@Thm{\csname #1name\endcsname}{#3}{#4}}%
\expandafter\xdef\csname #1name\endcsname{#2}%
\global\@namedef{end#1}{\@endtheorem}}}
\def\@Thm#1#2#3{\@ifnextchar[{\@Ythm{#1}{#2}{#3}}{\@Xthm{#1}{#2}{#3}}}
\def\@Xthm#1#2#3{\@Begintheorem{#1}{#2}{#3}\ignorespaces}
\def\@Ythm#1#2#3[#4]{\@Opargbegintheorem{#1}
{#4}{#2}{#3}\ignorespaces}
\def\@Begintheorem#1#2#3{#3\trivlist
\item[\hskip\labelsep{#2#1\@thmcounterend}]}
\def\@Opargbegintheorem#1#2#3#4{#4\trivlist
\item[\hskip\labelsep{#3#1\ (#2)\@thmcounterend}]}
% definition of divers theorem environments
\if@envcntsect
\def\@thmcountersep{.}
\newtheorem{theorem}{Theorem}[section]{\bf}{\it}
\else
\newtheorem{theorem}{Theorem}{\bf}{\it}
\if@envcntreset
\@addtoreset{theorem}{section}
\else
\@addtoreset{theorem}{chapter}
\fi
\fi
\newtheorem*{proof}{Proof}{\it}{\rm}
\newtheorem{corollary}[theorem]{Corollary}{\bf}{\it}
\newtheorem{definition}[theorem]{Definition}{\bf}{\rm}
\newtheorem{example}[theorem]{Example}{\it}{\rm}
\newtheorem{exercise}[theorem]{Exercise}{\it}{\rm}
\newtheorem{lemma}[theorem]{Lemma}{\bf}{\it}
\newtheorem{note}[theorem]{Note}{\it}{\rm}
\newtheorem{problem}[theorem]{Problem}{\it}{\rm}
\newtheorem{proposition}[theorem]{Proposition}{\bf}{\it}
\newtheorem{question}[theorem]{Question}{\it}{\rm}
\newtheorem{remark}[theorem]{Remark}{\it}{\rm}
\newtheorem{solution}[theorem]{Solution}{\it}{\rm}
\def\@takefromreset#1#2{%
\def\@tempa{#1}%
\let\@tempd\@elt
\def\@elt##1{%
\def\@tempb{##1}%
\ifx\@tempa\@tempb\else
\@addtoreset{##1}{#2}%
\fi}%
\expandafter\expandafter\let\expandafter\@tempc\csname cl@#2\endcsname
\expandafter\def\csname cl@#2\endcsname{}%
\@tempc
\let\@elt\@tempd}
\def\theopargself{\def\@opargbegintheorem##1##2##3##4##5{\trivlist
\item[\hskip\labelsep{##4##1\ ##2\ ##3}]##5}
\def\@Opargbegintheorem##1##2##3##4{##4\trivlist
\item[\hskip\labelsep{##3##1\ ##2}]}
}
\def\squareforqed{\hbox{\rlap{$\sqcap$}$\sqcup$}}
\def\qed{\ifmmode\else\unskip\quad\fi\squareforqed}
%
\newdimen\figgap\figgap=1cc
\long\def\@makesidecaption#1#2{%
\parbox[b]{\@tempdima}{\captionstyle{\floatlegendstyle
#1\floatcounterend}~#2}}
\def\sidecaption#1\caption{%
\setbox\@tempboxa=\hbox{#1\unskip}%
\if@twocolumn
\ifdim\hsize<\textwidth\else
\ifdim\wd\@tempboxa<\columnwidth
\typeout{Double column float fits into single column -
^^Jyou'd better switch the environment. }%
\fi
\fi
\fi
\@tempdima=\hsize
\advance\@tempdima by-\figgap
\advance\@tempdima by-\wd\@tempboxa
\ifdim\@tempdima<3cm
\typeout{\string\sidecaption: No sufficient room for the legend;
using normal \string\caption. }%
\unhbox\@tempboxa
\let\@capcommand=\@caption
\else
\let\@capcommand=\@sidecaption
\leavevmode
\unhbox\@tempboxa
\hfill
\fi
\refstepcounter\@captype
\@dblarg{\@capcommand\@captype}}
\long\def\@sidecaption#1[#2]#3{\addcontentsline{\csname
ext@#1\endcsname}{#1}{\protect\numberline{\csname
the#1\endcsname}{\ignorespaces #2}}\begingroup
\@parboxrestore
\@makesidecaption{\csname fnum@#1\endcsname}{\ignorespaces #3}\par
\endgroup}
%
% Online material
\long\def\onlfig#1#2{\AtEndDocument{\Online\setcounter{figure}{#1}\addtocounter{figure}{-1}#2}\setcounter{figure}{#1}}
\long\def\onltab#1#2{\AtEndDocument{\Online\setcounter{table}{#1}\addtocounter{table}{-1}#2}\setcounter{table}{#1}}
\long\def\onllongtab#1#2{\AtEndDocument{\Online\setlength{\LTcapwidth}{\textwidth}\setcounter{table}{#1}%
\addtocounter{table}{-1}\onecolumn#2\twocolumn}\setcounter{table}{#1}}
\long\def\onllongtabL#1#2{\AtEndDocument{\Online\setlength{\LTcapwidth}{\textheight}\setcounter{table}{#1}%
\addtocounter{table}{-1}\onecolumn#2\twocolumn}\setcounter{table}{#1}}
\long\def\longtab#1#2{\setlength{\LTcapwidth}{\textwidth}%
\setcounter{table}{#1}\addtocounter{table}{-1}\onecolumn#2\twocolumn\setcounter{table}{#1}}
\long\def\longtabL#1#2{\setlength{\LTcapwidth}{\textheight}%
\setcounter{table}{#1}\addtocounter{table}{-1}\onecolumn#2\twocolumn\setcounter{table}{#1}}
%
% Define \acknowledgements
\def\acknowledgements{\par\addvspace{6pt}\tiny\rm
\trivlist\item[\hskip\labelsep{\em Acknowledgements.\/}]}
\def\endacknowledgements{\endtrivlist\addvspace{6pt}}
%
\newenvironment{verse}
{\let\\\@centercr
\list{}{\itemsep \z@
\itemindent -1.5em%
\listparindent\itemindent
\rightmargin \leftmargin
\advance\leftmargin 1.5em}%
\item\relax}
{\endlist}
\newenvironment{quotation}
{\list{}{\listparindent 1.5em%
\itemindent \listparindent
\rightmargin \leftmargin
\parsep \z@ \@plus\p@}%
\item\relax}
{\endlist}
\newenvironment{quote}
{\list{}{\rightmargin\leftmargin}%
\item\relax}
{\endlist}
\if@compatibility
\newenvironment{titlepage}
{%
\if@twocolumn
\@restonecoltrue\onecolumn
\else
\@restonecolfalse\newpage
\fi
\thispagestyle{empty}%
\setcounter{page}\z@
}%
{\if@restonecol\twocolumn \else \newpage \fi
}
\else
\newenvironment{titlepage}
{%
\if@twocolumn
\@restonecoltrue\onecolumn
\else
\@restonecolfalse\newpage
\fi
\thispagestyle{empty}%
\setcounter{page}\@ne
}%
{\if@restonecol\twocolumn \else \newpage \fi
\if@twoside\else
\setcounter{page}\@ne
\fi
}
\fi
% Appendix
\newcounter{append}
\setcounter{append}{0}
\newenvironment{appendix}{\par