\font\enorme=ARIALB at 20 pt

%\font\gros=CMB10 at 20 pt
%\font\pouretoile=TIMENRB at 80 pt
%\font\joli=GANDBTR at 20 pt
\font\grosmath=MSBM10 at 20 pt
\font\math=MSBM10 at 12 pt
\font\manuscrit=GARAMORI at 14 pt
\font\Manuscrit=GARAMORI at 18 pt



\def\mat#1{\ifmmode{\mbox{\bf \math #1}}\else{\bf \math #1}\fi}
% ci dessous mes anciennes commandes
\def\amat{\ifmmode{\mbox{\math  A}}\else{\math A}\fi}
\def\bmat{\ifmmode{\mbox{\math  B}}\else{\math B}\fi}
\def\cmat{\ifmmode{\mbox{\math C}}\else{\math  C}\fi}
\def\kmat{\ifmmode{\mbox{\math  K}}\else{\math K}\fi}
\def\nmat{\ifmmode{\mbox{\math  N}}\else{\math N}\fi}
\def\pmat{\ifmmode{\mbox{\math  P}}\else{\math P}\fi}
\def\qmat{\ifmmode{\mbox{\math Q}}\else{\math Q}\fi}
\def\rmat{\ifmmode{\mbox{\math  R}}\else{\math R}\fi}
\def\smat{\ifmmode{\mbox{\math  S}}\else{\math S}\fi}
\def\umat{\ifmmode{\mbox{\math  U}}\else{\math U}\fi}
\def\zmat{\ifmmode{\mbox{\math  Z}}\else{\math  Z}\fi}


\def\rmathtitre{\ifmmode{\mbox{\grosmath  R}}\else{\grosmath R}\fi}
\def\cmathtitre{\ifmmode{\mbox{\grosmath  C}}\else{\grosmath R}\fi}


\def\a{\ifmmode{\alpha }\else{$\alpha $}\fi}
\def\b{\ifmmode{\beta }\else{$\beta $}\fi}
\def\g{\ifmmode{\gamma }\else{$\gamma $}\fi}
\def\d{\ifmmode{\delta }\else{$\delta $}\fi}
\def\e{\ifmmode{\varepsilon }\else{$\varepsilon $}\fi}
\def\f{\ifmmode{\varphi }\else{$\varphi $}\fi}

%\def\l{\ifmmode{\lambda }\else{$\lambda $}\fi}

\renewcommand{\l}{\ensuremath{\lambda}}
\def\m{\ifmmode{\mu }\else{$\mu $}\fi}
\def\n{\ifmmode{\nu }\else{$\nu $}\fi}
\def\o{\ifmmode{\omega }\else{$\omega $}\fi}
\def\p{\ifmmode{\pi }\else{$\pi $}\fi}
\def\r{\ifmmode{\rho }\else{$\rho $}\fi}
\def\s{\ifmmode{\sigma }\else{$\sigma $}\fi}
\def\t{\ifmmode{\theta }\else{$ \theta  $}\fi}
\def\x{\ifmmode{\xi }\else{$\xi $}\fi}
\def\y{\ifmmode{\eta }\else{$\eta $}\fi}
\def\z{\ifmmode{\zeta }\else{$\zeta $}\fi}

\def\C{\ifmmode{\Gamma }\else{$\Gamma $}\fi}
\def\G{\ifmmode{\Gamma }\else{$\Gamma $}\fi}
\def\D{\ifmmode{\Delta }\else{$\Delta $}\fi}
\def\F{\ifmmode{\Phi }\else{$\Phi $}\fi}
\def\L{\ifmmode{\Lambda }\else{$\Lambda $}\fi}
\def\O{\ifmmode{\Omega }\else{$\Omega $}\fi}
\def\P{\ifmmode{\Pi }\else{$\Pi $}\fi}
\def\Si{\ifmmode{\Sigma }\else{$\Sigma $}\fi}

%\font\manu12=GARAMORI at 12 pt
\font\rond=CMBSY10 at 14 pt
%\font\rond=EUSMB at 14 pt
%font\rond=EUSM at 14 pt	
%\def\arond{{\rond A\ }}
\newcommand{\arond}{\ensuremath{\mbox{\rond A}}}
\newcommand{\brond}{\ensuremath{\mbox{\rond B}}}
\newcommand{\crond}{\ensuremath{\mbox{\rond C}}}
\newcommand{\drond}{\ensuremath{\mbox{\rond D}}}
\newcommand{\erond}{\ensuremath{\mbox{\rond E}}}
\newcommand{\frond}{\ensuremath{\mbox{\rond F}}}
\newcommand{\grond}{\ensuremath{\mbox{\rond G}}}
\newcommand{\hrond}{\ensuremath{\mbox{\rond H}}}
\newcommand{\irond}{\ensuremath{\mbox{\rond I}}}
\newcommand{\jrond}{\ensuremath{\mbox{\rond J}}}
\newcommand{\krond}{\ensuremath{\mbox{\rond K}}}
\newcommand{\lrond}{\ensuremath{\mbox{\rond L}}}
\newcommand{\mrond}{\ensuremath{\mbox{\rond M}}}
\newcommand{\nrond}{\ensuremath{\mbox{\rond N}}}
\newcommand{\orond}{\ensuremath{\mbox{\rond O}}}
\newcommand{\prond}{\ensuremath{\mbox{\rond P}}}
\newcommand{\qrond}{\ensuremath{\mbox{\rond Q}}}
\newcommand{\rrond}{\ensuremath{\mbox{\rond R}}}
\newcommand{\srond}{\ensuremath{\mbox{\rond S}}}
\newcommand{\trond}{\ensuremath{\mbox{\rond T}}}
\newcommand{\urond}{\ensuremath{\mbox{\rond U}}}
\newcommand{\vrond}{\ensuremath{\mbox{\rond V}}}
\newcommand{\wrond}{\ensuremath{\mbox{\rond W}}}
\newcommand{\xrond}{\ensuremath{\mbox{\rond X}}}
\newcommand{\yrond}{\ensuremath{\mbox{\rond Y}}}
\newcommand{\zrond}{\ensuremath{\mbox{\rond Z}}}


%\def\brond{{\rond B\ }}
%\def\crond{{\rond C\ }}
%\def\drond{{\rond D\ }}
%\def\erond{{\rond E\ }}
%\def\frond{{\rond F\ }}
%\def\irond{{\rond I\ }}
%\def\lrond{{\rond L\ }}
%\def\prond{{\rond P\ }}
%\def\rrond{{\rond R\ }}
%\def\srond{{\rond S\ }}
%\def\vrond{{\rond V\ }}
%\def\xrond{{\rond X\ }}

	% pochhammer = coeff "nCp"
\newcommand{\poch}[2]{\ensuremath{ \left( \begin{array}{c} #1 \\ #2 \end{array} \right) }}

\newcommand{\pcsi}{
\tabcolsep=0.01mm
\smash{{\bf \Huge
\begin{tabular}[b]{cccccc}  &&&$\star$&&\\P&C&S&I&$\!$ &1 \end{tabular}}
}}


\font\goth=EUFM10 at 18 pt
\newcommand{\gsym}{{\goth S}}	 % le groupe symétrique

	%\tr sert surtout à transposer les matrices
\newcommand{\tr}[2][t]{
\ensuremath{	\!^#1 #2 }	}

\def\plambda{\mbox{\prond }_\lambda }
\def\ilambda{\mbox{\irond }_\lambda }

\newcommand{\cpm}{ \crond p\mrond\ }