%% Document class for the MathInd Bulletin 
%% (c) 2002, Apostolos Syropoulos apostolo@ocean1.ee.duth.gr
%% It works only with LaTeX2e
%
\NeedsTeXFormat{LaTeX2e}
% 
\ProvidesClass{bmi}
        [2002/04/01 v1.0 Document class for the MathInd Bulletin]
\typeout{*****************************************************************}
\typeout{European MathInd Network} 
\typeout{Document class for the MathInd Bulletin}
\typeout{(c) 2002, Apostolos Syropoulos}
\typeout{*****************************************************************}
%
% Currently, there are no supported options
% We load the article document class with the options: twoside, a4paper
% and draft. Moreover, we require the times package, as we want to
% typeset out document with the times fonts.
%
\LoadClass[a4paper]{article}
%
\RequirePackage{palatcm}    %% Palatino fonts with Computer Modern Math fonts
%
%MACRO FOR RUNNINGHEAD %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\def\runninghead#1#2{\pagestyle{myheadings}
\markboth{{\protect\footnotesize\it{\quad #1}}\hfill}
{\hfill{\protect\footnotesize\it{#2\quad}}}}
\headsep=15pt
%
\RequirePackage{theorem}    %% To define various environments
\newsavebox{\proofbox}
\savebox{\proofbox}{%
  \begin{picture}(7,7)\put(0,0){\framebox(7,7){}}\end{picture}%
} 
\newenvironment{proof}{%
  \list{}{\leftmargin0pt
    \rightmargin\leftmargin}%
  \item[]{\hspace*{1em}\it Proof.\ }%
}
{\hspace*{\fill}{\usebox{\proofbox}}\endlist}
\newenvironment{example}{%
  \list{}{\leftmargin0pt
    \rightmargin\leftmargin}%
  \item[]{\hspace*{1em}\it Example.\ }%
}
{\hspace*{\fill}$\diamondsuit$\endlist}
\newtheorem{proposition}{Proposition}[section]
\newtheorem{theorem}{Theorem}[section]
\newtheorem{corollary}{Corollary}[section]
\newtheorem{lemma}{Lemma}[section]
{\theorembodyfont{\rmfamily}
\newtheorem{definition}{Definition}[section]}
{\theorembodyfont{\rmfamily}
\newtheorem{remark}{Remark}[section]}
%
%\RequirePackage{geometry} % if the bulletin will be published in a
%\geometry{  }             % conventional way we may need to setup the
%                          % physical page dimensions.
%
\newcommand{\copyrightheading}[1]
	{\vspace*{-2.5cm}\smalllineskip{\flushleft
	{\footnotesize MathInd Bulletin
	 #1\hfil\copyright\ Mathematics in Industry Network}
	 }}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%% The following piece of code is a slightly modified       %%%%%
%%% excerpt from the code used in th TUGboat document class  %%%%%
%%% file. Original author is Robin Fairbains                 %%%%%
%%% Used with permission                                     %%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\providecommand{\@bmiclass}{bmi}
\def\BMIInfo{\ClassInfo{\@bmiclass}}
\def\BMIError{\ClassError{\@bmiclass}}
\def\BMIWarning{\ClassWarning{\@bmiclass}}
\def\makeactive#1{\catcode`#1=13 }
\def\makecomment#1{\catcode`#1=14 }
\def\makespace #1{\catcode`#1=10 }
\def\theauthor#1{\csname theauthor#1\endcsname}
\def\theaddress#1{\csname theaddress#1\endcsname}
\def\theemail#1{\csname theemail#1\endcsname}
\def\thePersonalURL#1{\csname thePersonalURL#1\endcsname}
%\newdimen\PreTitleDrop   \PreTitleDrop=\z@
\edef\allowhyphens{\noexpand\hyphenpenalty\the\hyphenpenalty\relax
  \noexpand\exhyphenpenalty\the\exhyphenpenalty\relax}
\def\@defaultauthorlist{%
   \count@\authornumber
   \advance\count@ by -2
   \@tempcnta0
   \loop
   \ifnum\count@>0
      \advance\@tempcnta by \@ne
      \theauthor{\number\@tempcnta}\unskip,
      \advance\count@ by \m@ne
   \repeat
   \count@\authornumber
   \advance\count@ by -\@tempcnta
   \ifnum\authornumber>0
     \ifnum\count@>1
       \count@\authornumber
       \advance\count@ by \m@ne
       \ignorespaces\theauthor{\number\count@}\unskip\ and
       \fi
     \ignorespaces\theauthor{\number\authornumber}\unskip
   \fi
  }
\def\signature#1{\def\@signature{#1}}
\def\@signature{\@defaultsignature}
\def\@defaultsignature{%
  \let\thanks\@gobble
  \count@=0%
  \loop
  \ifnum\count@<\authornumber
    \medskip
    \advance\count@ by \@ne
      \begin{tabular}{l}
      \signaturemark
      \theauthor{\number\count@}\\
      \theaddress{\number\count@}\\
      \theemail{\number\count@}\\
    \end{tabular}
    \ifodd\count@\else\expandafter\vskip\medskipamount\fi
  \repeat
}
%
\def\@@@makesignature{%
  \par
  \medskip
  \rm\small\@signature
}
\def\signaturemark{\leavevmode\llap{$\diamond$\enspace}}
\newcount\authornumber
\authornumber=0
\def\author#1{%
  \global\advance\authornumber\@ne
  \expandafter\def\csname theauthor\number\authornumber\endcsname
      {\ignorespaces#1\unskip}%
  \expandafter\def\csname theaddress\number\authornumber\endcsname
    {\BMIWarning{Address for #1\space missing}\@gobble}%
  \expandafter\def\csname email\number\authornumber\endcsname
    {\BMIWarning{Email address for #1\space missing}\@gobble}%
}
\def\address#1{%
  \expandafter\def\csname theaddress\number\authornumber\endcsname
      {\leavevmode\ignorespaces#1\unskip}}
\def\network#1{\def\@network{#1: }}
\newcommand\email[1][\relax]{%
  \begingroup
  \def\@network{}%
  #1\@sanitize\makespace\ \makeactive\@
  \makeactive\.\makeactive\%\@relay@netaddress}%
\def\@relay@netaddress#1{%
  \ProtectNetChars
  \expandafter\protected@xdef
      \csname thenetaddress\number\authornumber\endcsname
    {\protect\leavevmode\textrm{\@network}%
     {\protect\NetAddrChars\net
      \ignorespaces#1\unskip}}%
  \endgroup
  }
\begingroup
  \makecomment\*
  \makeactive\@
  \gdef\netaddrat{\makeactive\@*
    \def@{\discretionary{\char"40}{}{\char"40}}}
  \makeactive\%
  \gdef\netaddrpercent{\makeactive\%*
    \def%{\discretionary{\char"25}{}{\char"25}}}
  \makeactive\.
  \gdef\netaddrdot{\makeactive\.*
    \def.{\discretionary{\char"2E}{}{\char"2E}}}
  \gdef\NetAddrChars{\netaddrat \netaddrpercent \netaddrdot}
  \makeactive\/
  \gdef\URLchars{*
    \NetAddrChars
    \makeactive\/*
    \def/{\discretionary{\char"2F}{}{\char"2F}}}
  \gdef\ProtectNetChars{*
    \def@{\protect@}*
    \def%{\protect%}*
    \def.{\protect.}*
    \def/{\protect/}*
    }
\endgroup
%
\DeclareOldFontCommand{\net}{\ttfamily\upshape\mdseries}{\mathtt}
%
\def\authorlist#1{\def\@author{#1}}
\def\@author{\@defaultauthorlist}

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%% Code by Robin Fairbains ends here  %%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%\AtEndDocument{\@@@makesignature}
%
%
% ****************************************
% *    Maketitle command                *
% ****************************************
\renewcommand\maketitle{\par
  \begingroup
    \setcounter{footnote}{0}
    \def\thefootnote{\fnsymbol{footnote}}
    \@maketitle
    \@thanks
    \thispagestyle{plain}
  \endgroup
  \setcounter{footnote}{0}
}
%
\def\@maketitle{%
  \vspace*{0.75truein}
  \def\thanks##1{}
  \begin{center}%
    {\large\bfseries \MakeUppercase{\@title} \par}%
    \vskip 3.0em%
    {\large\scshape
      \lineskip .5em%
      %\begin{tabular}[t]{c}%
        \@author
      %\end{tabular}
    \par}%
    \vskip 1em%
    {\@received \@revised}%
  \end{center}%
  \par
  \vskip 1.5em}
%
\def\received#1{\gdef\@received{\small\itshape Received #1}}
\def\revised#1{\gdef\@revised{\small\itshape, Revised #1}}
\global\let\@received\@empty
\global\let\@revised\@empty
%
\AtEndDocument{\@@@makesignature}