\magnification=2488
\nopagenumbers
\newif\ifpdf \pdffalse
\ifx\pdfoutput\undefined
\else
  \ifx\pdfoutput\relax
  \else
    \ifnum\pdfoutput<1 %
    \else
      \pdftrue
    \fi
  \fi
\fi

\vsize=20cm\hsize=13.2cm
\pretolerance=500 \tolerance=1000 \brokenpenalty=5000

\parindent=0mm
\parskip=5pt plus 1pt minus 1pt

% new fonts definitions

\ifpdf
\font\seventeenbf=ec-lmbx10 at 17.28pt
\font\fourteenbf=ec-lmbx10 at 14.4pt
\font\twelvebf=ec-lmbx10 at 12pt
\font\eightbf=ec-lmbx8
\font\sixbf=ec-lmbx6

\font\twelvei=lmmi10 at 12pt
\font\eighti=lmmi10 at 8pt
\font\sixi=lmmi10 at 6pt

\font\twelverm=ec-lmr10 at 12pt
\font\eightrm=ec-lmr10 at 8pt
\font\sixrm=ec-lmr10 at 6pt

\font\eightit=ec-lmri10 at 8pt
\font\eighttt=ec-lmtt10 at 8pt
\font\eightsl=ec-lmro10 at 8pt

\else

\font\seventeenbf=ecbx10 at 17.28pt
\font\fourteenbf=ecbx10 at 14.4pt
\font\twelvebf=ecbx10 at 12pt
\font\eightbf=ecbx8
\font\sixbf=ecbx6

\font\twelvei=cmmi10 at 12pt
\font\eighti=cmmi8
\font\sixi=cmmi6

\font\twelverm=ecrm10 at 12pt
\font\eightrm=ecrm8
\font\sixrm=ecrm6

\font\eightsy=cmsy8
\font\sixsy=cmsy6

\font\eightit=ecti8
\font\eighttt=ectt8
\font\eightsl=ecsl8
\fi

\font\eightsy=cmsy8
\font\sixsy=cmsy6

\font\seventeenbsy=cmbsy10 at 17.28pt
\font\fourteenbsy=cmbsy10 at 14.4pt
\font\twelvebsy=cmbsy10 at 12pt
\font\tenbsy=cmbsy10
\font\eightbsy=cmbsy8
\font\sevenbsy=cmbsy7
\font\sixbsy=cmbsy6
\font\fivebsy=cmbsy5

\font\tenmsa=msam10
\font\eightmsa=msam8
\font\sevenmsa=msam7
\font\fivemsa=msam5
\newfam\msafam
  \textfont\msafam=\tenmsa
  \scriptfont\msafam=\sevenmsa
  \scriptscriptfont\msafam=\fivemsa
\def\msa{\fam\msafam\tenmsa}

\font\tenmsb=msbm10
\font\eightmsb=msbm8
\font\sevenmsb=msbm7
\font\fivemsb=msbm5
\newfam\msbfam
  \textfont\msbfam=\tenmsb
  \scriptfont\msbfam=\sevenmsb
  \scriptscriptfont\msbfam=\fivemsb
\def\Bbb{\fam\msbfam\tenmsb}

\font\tenCal=eusm10
\font\eightCal=eusm8
\font\sevenCal=eusm7
\font\fiveCal=eusm5
\newfam\Calfam
  \textfont\Calfam=\tenCal
  \scriptfont\Calfam=\sevenCal
  \scriptscriptfont\Calfam=\fiveCal
\def\Cal{\fam\Calfam\tenCal}

\font\teneuf=eusm10
\font\teneuf=eufm10
\font\seveneuf=eufm7
\font\fiveeuf=eufm5
\newfam\euffam
  \textfont\euffam=\teneuf
  \scriptfont\euffam=\seveneuf
  \scriptscriptfont\euffam=\fiveeuf
\def\euf{\fam\euffam\teneuf}

\font\seventeenbfit=cmmib10 at 17.28pt
\font\fourteenbfit=cmmib10 at 14.4pt
\font\twelvebfit=cmmib10 at 12pt
\font\tenbfit=cmmib10
\font\eightbfit=cmmib8
\font\sevenbfit=cmmib7
\font\sixbfit=cmmib6
\font\fivebfit=cmmib5
\newfam\bfitfam
  \textfont\bfitfam=\tenbfit
  \scriptfont\bfitfam=\sevenbfit
  \scriptscriptfont\bfitfam=\fivebfit
\def\bfit{\fam\bfitfam\tenbfit}

\def\gS{\hbox{\teneuf S}}

% Some missing ligature letters for French  (enctex needed)
\ifx\mubyte\undefined \else
%% Cork encoding -- from   utf8-t1.tex
\mubyte ^^c6 ^^c3^^86\endmubyte % latin capital letter AE (ash)
\mubyte ^^e6 ^^c3^^a6\endmubyte % latin small letter ae (ash)
\mubyte ^^d7 ^^c5^^92\endmubyte % latin capital ligature OE
\mubyte ^^f7 ^^c5^^93\endmubyte % latin small ligature oe
\def\AE{Æ}
\def\ae{æ}
\def\OE{Œ}
\def\oe{œ}
\fi

% changing font sizes

\catcode`\@=11
\def\eightpoint{%
  \textfont0=\eightrm \scriptfont0=\sixrm \scriptscriptfont0=\fiverm
  \def\rm{\fam\z@\eightrm}%
  \textfont1=\eighti \scriptfont1=\sixi \scriptscriptfont1=\fivei
  \def\oldstyle{\fam\@ne\eighti}%
  \textfont2=\eightsy \scriptfont2=\sixsy \scriptscriptfont2=\fivesy
  \textfont\itfam=\eightit
  \def\it{\fam\itfam\eightit}%
  \textfont\slfam=\eightsl
  \def\sl{\fam\slfam\eightsl}%
  \textfont\bffam=\eightbf \scriptfont\bffam=\sixbf
  \scriptscriptfont\bffam=\fivebf
  \def\bf{\fam\bffam\eightbf}%
  \textfont\ttfam=\eighttt
  \def\tt{\fam\ttfam\eighttt}%
  \textfont\msbfam=\eightmsb
  \def\Bbb{\fam\msbfam\eightmsb}%
  \textfont\Calfam=\eightCal
  \def\Cal{\fam\Calfam\eightCal}%
  \abovedisplayskip=9pt plus 2pt minus 6pt
  \abovedisplayshortskip=0pt plus 2pt
  \belowdisplayskip=9pt plus 2pt minus 6pt
  \belowdisplayshortskip=5pt plus 2pt minus 3pt
  \smallskipamount=2pt plus 1pt minus 1pt
  \medskipamount=4pt plus 2pt minus 1pt
  \bigskipamount=9pt plus 3pt minus 3pt
  \normalbaselineskip=9pt
  \setbox\strutbox=\hbox{\vrule height7pt depth2pt width0pt}%
  \let\bigf@ntpc=\eightrm \let\smallf@ntpc=\sixrm
  \normalbaselines\rm}
\catcode`\@=12

\def\eightpointbf{%
 \textfont0=\eightbf   \scriptfont0=\sixbf   \scriptscriptfont0=\fivebf
 \textfont1=\eightbfit \scriptfont1=\sixbfit \scriptscriptfont1=\fivebfit
 \textfont2=\eightbsy  \scriptfont2=\sixbsy  \scriptscriptfont2=\fivebsy
 \eightbf
 \baselineskip=10pt}

\def\tenpointbf{%
 \textfont0=\tenbf   \scriptfont0=\sevenbf   \scriptscriptfont0=\fivebf
 \textfont1=\tenbfit \scriptfont1=\sevenbfit \scriptscriptfont1=\fivebfit
 \textfont2=\tenbsy  \scriptfont2=\sevenbsy  \scriptscriptfont2=\fivebsy
 \tenbf}
        
\def\twelvepointbf{%
 \textfont0=\twelvebf   \scriptfont0=\eightbf   \scriptscriptfont0=\sixbf
 \textfont1=\twelvebfit \scriptfont1=\eightbfit \scriptscriptfont1=\sixbfit
 \textfont2=\twelvebsy  \scriptfont2=\eightbsy  \scriptscriptfont2=\sixbsy
 \twelvebf
 \baselineskip=14.4pt}

\def\fourteenpointbf{%
 \textfont0=\fourteenbf   \scriptfont0=\tenbf   \scriptscriptfont0=\sevenbf
 \textfont1=\fourteenbfit \scriptfont1=\tenbfit \scriptscriptfont1=\sevenbfit
 \textfont2=\fourteenbsy  \scriptfont2=\tenbsy  \scriptscriptfont2=\sevenbsy
 \fourteenbf
 \baselineskip=17.28pt}

\def\seventeenpointbf{%
 \textfont0=\seventeenbf  \scriptfont0=\twelvebf  \scriptscriptfont0=\eightbf
 \textfont1=\seventeenbfit\scriptfont1=\twelvebfit\scriptscriptfont1=\eightbfit
 \textfont2=\seventeenbsy \scriptfont2=\twelvebsy \scriptscriptfont2=\eightbsy
 \seventeenbf
 \baselineskip=20.736pt}
 
% main item macros

\newdimen\srdim \srdim=\hsize
\newdimen\irdim \irdim=\hsize
\def\NOSECTREF#1{\noindent\hbox to \srdim{\null\dotfill ???(#1)}}
\def\SECTREF#1{\noindent\hbox to \srdim{\csname REF\romannumeral#1\endcsname}}
\def\INDREF#1{\noindent\hbox to \irdim{\csname IND\romannumeral#1\endcsname}}
\newlinechar=`\^^J
\def\openauxfile{
  \immediate\openin1\jobname.aux
  \ifeof1
  \message{^^JCAUTION\string: you MUST run TeX a second time^^J}
  \let\sectref=\NOSECTREF \let\indref=\NOSECTREF
  \else
  \input \jobname.aux
  \message{^^JCAUTION\string: if the file has just been modified you may  
  have to run TeX twice^^J}
  \let\sectref=\SECTREF \let\indref=\INDREF
  \fi
  \message{to get correct page numbers displayed in Contents or Index 
  Tables^^J}
  \immediate\openout1=\jobname.aux
  \let\END=\end \def\end{\immediate\closeout1\END}}
        
\newcount\notthispage \notthispage=1

\newbox\titlebox   \setbox\titlebox\hbox{\hfil}
\newbox\sectionbox \setbox\sectionbox\hbox{\hfil}
\newbox\chapterbox \setbox\chapterbox\hbox{\hfil}
\def\folio{\ifnum\pageno=\notthispage \hfil
           \else \ifodd\pageno
           \hfil {\eightpoint \copy\chapterbox\copy\sectionbox%
           \kern8mm\number\pageno}\else
           {\eightpoint\number\pageno\kern8mm\copy\titlebox}\hfil \fi\fi}
%%\footline={\hfil}
%%\headline={\folio}           

\def\verl{{\vrule width 0.4pt height 12pt depth 6pt}}
\def\table#1{\baselineskip=0pt\lineskip=0pt
    \halign{$\displaystyle{}##\hfil{}$\hfil&&
    $\displaystyle{}##\hfil{}$\hfil\crcr#1\crcr}}

\def\blankline{\phantom{}\hfil\vskip0pt}
\def\titlerunning#1{\setbox\titlebox\hbox{\eightpoint #1}}
\def\chapterrunning#1{\notthispage=\pageno
    \setbox\chapterbox\hbox{\eightpoint #1}}
\def\title#1{\noindent\hfil$\smash{\hbox{\seventeenpointbf #1}}$\hfil
             \titlerunning{#1}\medskip}
\def\titleleft#1{\noindent$\smash{\hbox{\seventeenpointbf #1}}$\hfil
                 \titlerunning{#1}\medskip}

\def\supersection#1{%
  \par\vskip0.5cm\penalty -100 
  \vbox{\baselineskip=17.28pt\noindent{{\fourteenpointbf #1}}}
  \vskip3pt
  \penalty 500
  \titlerunning{#1}}

\newcount\numbersection \numbersection=-1
\def\sectionrunning#1{\setbox\sectionbox\hbox{\eightpoint #1}
  \immediate\write1{\string\def \string\REF 
      \romannumeral\numbersection \string{%
      \noexpand#1 \string\dotfill \space \number\pageno \string}}}
\def\section#1{%
  \par\vskip0.5cm\penalty -100
  \vbox{\baselineskip=14.4pt\noindent{{\twelvepointbf #1}}}
  \vskip2pt
  \penalty 500
  \advance\numbersection by 1
  \sectionrunning{#1}}

\def\subsection#1{%
  \par\vskip0.5cm\penalty -100
  \vbox{\noindent{{\tenpointbf #1}}}
  \vskip1pt
  \penalty 500}

\newcount\numberindex \numberindex=0  
\def\index#1#2{%
  \advance\numberindex by 1
  \immediate\write1{\string\def \string\IND #1%
     \romannumeral\numberindex \string{%
     \noexpand#2 \string\dotfill \space \string\S \number\numbersection, 
     p.\string\ \space\number\pageno \string}}}

\def\chapterjump{
  \vfill\eject
  \ifodd\pageno \else {\headline={\hfil}\null\vskip0pt\vfill\eject} \fi
}

% Usual sets of numbers  
\def\bC{{\Bbb C}}
\def\bD{{\Bbb D}}
\def\bH{{\Bbb H}}
\def\bN{{\Bbb N}}
\def\bP{{\Bbb P}}
\def\bQ{{\Bbb Q}}
\def\bR{{\Bbb R}}
\def\bZ{{\Bbb Z}}

% Calligraphic capital letters
\def\cA{{\Cal A}}
\def\cC{{\Cal C}}
\def\cD{{\Cal D}}
\def\cE{{\Cal E}}
\def\cF{{\Cal F}}
\def\cH{{\Cal H}}
\def\cK{{\Cal K}}
\def\cL{{\Cal L}}
\def\cP{{\Cal P}}
\def\cR{{\Cal R}}
\def\cV{{\Cal V}}

\def\tC{\smash{\tilde C}}

\def\hexnbr#1{\ifnum#1<10 \number#1\else
 \ifnum#1=10 A\else\ifnum#1=11 B\else\ifnum#1=12 C\else
 \ifnum#1=13 D\else\ifnum#1=14 E\else\ifnum#1=15 F\fi\fi\fi\fi\fi\fi\fi}
\def\msatype{\hexnbr\msafam}
\def\msbtype{\hexnbr\msbfam}
\def\mathxtype{\hexnbr\mathxfam}

\mathchardef\smallsetminus="2\msbtype72   \let\ssm\smallsetminus
\mathchardef\leqslant="3\msatype36
\mathchardef\geqslant="3\msatype3E
\mathchardef\complement="0\msatype7B
\mathchardef\sqsymb="0\msatype03
\def\overacute{\mathaccent"0\mathxtype79}
\def\overobtuse{\mathaccent"0\mathxtype7D}

\let\ge=\geqslant
\let\le=\leqslant
\let\dsp=\displaystyle

\def\square{{\hfill \hbox{
\vrule height 1.453ex  width 0.093ex  depth 0ex
\vrule height 1.5ex  width 1.3ex  depth -1.407ex\kern-0.1ex
\vrule height 1.453ex  width 0.093ex  depth 0ex\kern-1.35ex
\vrule height 0.093ex  width 1.3ex  depth 0ex}}}
\def\qed{\phantom{$\quad$}\hfill$\square$}
\def\?{\hbox{$\,$}}

\catcode`@=11
\def\cmalign#1#2{\null\,\vcenter{\normalbaselines\m@th
    \ialign{$\displaystyle ##$\hfil&&\kern#1$\displaystyle ##$\hfil\crcr
      \mathstrut\crcr\noalign{\kern-\baselineskip}
      #2\crcr\mathstrut\crcr\noalign{\kern-\baselineskip}}}\,}
\catcode`@=12

\def\itemv{%
\item{\llap{$\square\kern7pt$}\llap{$\raise0.6pt\hbox{$\times$}\kern6pt$}}}
\def\itemf{%
\item{\llap{$\square\kern7pt$}}}

\def\lguil{\hbox{%
\raise1pt\hbox{$\scriptscriptstyle\langle\!\langle\kern1pt$}}}
\def\rguil{\hbox{%
\raise1pt\hbox{$\kern1pt\scriptscriptstyle\rangle\!\rangle$}}}

\def\sqind#1{\kern1.5pt\rlap{\raise5pt\hbox{$\scriptstyle#1$}}\kern-1.5pt}

\def\KH{{\rm KH}}
\def\ang{\mathop{\rm angle}}
\def\cotan{\mathop{\rm cotan}}
\def\cotanh{\mathop{\rm cotanh}}
\def\supess{\mathop{\rm sup\,ess}}
\def\infess{\mathop{\rm inf\,ess}}
\def\Id{\mathop{\rm Id}}
\def\Re{\mathop{\rm Re}}
\def\Im{\mathop{\rm Im}}
\def\mod{\mathop{\rm mod}}
\def\Jac{\mathop{\rm Jac}}
\def\Aut{\mathop{\rm Aut}}
\def\Supp{\mathop{\rm Supp}}
\def\lg{\mathop{\rm long}}
\def\oscil{\mathop{\rm oscil}}
\def\vol{\mathop{\rm vol}}
\def\aspect{\mathop{\rm aspect}}
\def\aire{\mathop{\rm aire}}
\def\longueur{\mathop{\rm longueur}}
\def\diam{\mathop{\rm diam}}
\def\sign{\mathop{\rm sign}}
\def\grad{\mathop{\rm grad}}
\def\rot{\mathop{\rm rot}}
\def\div{\mathop{\rm div}}
\def\note#1#2{\footnote{${}^{\hbox{\sevenrm(#1)}}$}
{\baselineskip=8pt
{\eightpoint #2}\vskip-15pt}}
\def\\{\hfil\break}
\def\demi{\textstyle{1\over 2}}
\def\ovl{\overline}
\def\ovr{\overrightarrow}
\def\ul#1{$\underline{\smash{\hbox{#1}}}$}

\def\build#1^#2_#3{\mathop{#1}\limits^{#2}_{#3}}

\def\boxed#1#2{\hbox{%
        \leavevmode\thinspace\hbox{\vrule\vtop{\vbox{\hrule\kern1pt
        \hbox{\thinspace{$\displaystyle
        \raise2.5pt\hbox{\phantom{\vrule width 0.1pt height #1pt depth #1pt}}
        #2$}\thinspace}}
      \kern1pt\hrule}\vrule}\thinspace}}

% inclusion of PostScript files

\newcount\psfigurecount \psfigurecount=0
\newdimen\psfiguredx

\ifpdf
\def\RGBColor#1#2{{\pdfliteral{#1 rg}#2\pdfliteral{0 g}}}

\long\def\InsertPSFigure#1 #2 #3 #4\EndFig{\par\advance\psfigurecount by 1%
\pdfximage{\jobname_figures/fig\number\psfigurecount.pdf}%
\setbox9=\hbox{\pdfrefximage\pdflastximage}%
\psfiguredx=#1mm \advance\psfiguredx by 20mm%
\hbox{$\vbox to#2mm{\vfil%
\hbox{$\hskip #1mm\rlap{\smash{\raise-50mm\hbox to #1mm{\strut\kern-\psfiguredx%
\pdfximage width\wd9{\jobname_figures/fig\number\psfigurecount.pdf}%
\pdfrefximage\pdflastximage\kern-\wd9\hfil}}}$}}#4$}}

\long\def\InsertPSFile#1 #2 #3 #4 #5 #6\EndFig{\par
\hbox{\hskip #1mm$\vbox to#2mm{%
\vfil\special{pdf:}}#6$}}

\long\def\InsertImage#1 #2 #3 #4 #5 #6 #7 #8\EndFig{\par
\hbox{\hskip #1mm$\vbox to#2mm{\vfil\hbox{$\rlap{\smash{\pdfximage
\ifnum#3=0 \else width #3mm\fi \ifnum #4=0 \else height #4mm \fi depth 0cm{#7}%
\pdfrefximage\pdflastximage}}$}}#8$}}

\else
\special{header=/home/demailly/Documents/psinputs/mathdraw/mdrlib.ps}

\def\RGBColor#1#2{\special{color push rgb #1}#2\special{color pop}}

\long\def\InsertPSFigure#1 #2 #3 #4\EndFig{\par
\hbox{\hskip #1mm$\vbox to#2mm{\vfil\special{" 
#3}}#4$}}

\long\def\InsertPSFile#1 #2 #3 #4 #5 #6\EndFig{\par
\hbox{\hskip #1mm$\vbox to#2mm{%
\vfil\special{psfile=#5 hscale=#3 vscale=#4}}#6$}}

\long\def\InsertImage#1 #2 #3 #4 #5 #6 #7 #8\EndFig{\par
\hbox{\hskip #1mm$\vbox to#2mm{%
\vfil\special{psfile="`img2eps file #7 height #4 mm width #3 mm gamma #5
angle #6}}#8$}}

\fi

\long\def\LabelTeX#1 #2 #3\ELTX{\rlap{\kern#1mm\raise#2mm\hbox{#3}}}


% bibibliography
\def\bibitem#1&#2&#3&#4&%
{\hangindent=1.2cm\hangafter=1
\noindent\rlap{\hbox{\eightpointbf #1}}\kern1.2cm{\rm #2}{\it #3}{\rm #4.}} 

\openauxfile

\InsertPSFigure 5.000 43.000 {
gsave
1 mm unit
0.4 0.4 scale
0.35 setlinewidth
0 0 1 setrgbcolor
0 -10 moveto 30 -10 lineto 30 10 lineto 0 10 lineto closepath stroke
15 0 translate
0 0 moveto
[ 0 0  30 5  60 0 ] curve stroke
30 5 moveto 0 0 2.4 vector
45 0 translate
0 setgray
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[ 0 0  -4 10  5 28  35 30  45 20  60 0  30 -30  12 -25 ] closedcurve stroke
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20 18 moveto
[ 22 18  25 15  19 12  25 9  18 6  26 3  18 0  26 -3
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22 22 moveto
[ 22 22  30 21  43 18 ] curve stroke
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[ 22 -22  30 -21  48 -16 ] curve stroke
grestore
}
\LabelTeX 1 0 \RGBColor{0 0 1}{$\bC$} \ELTX
\LabelTeX 16 3.5 \RGBColor{0 0 1}{$f$} \ELTX
\LabelTeX 24 6 \RGBColor{0 0.7 0}{$f(\bC)$} \ELTX
\LabelTeX 38 -6 \RGBColor{1 0 0}{$\Delta$} \ELTX
\LabelTeX 46 5 $X$ \ELTX
\EndFig

\vfill\eject

\InsertPSFigure 5.000 43.000 {
gsave
1 mm unit
0.4 0.4 scale
0.35 setlinewidth
0 0 1 setrgbcolor
0 -10 moveto 30 -10 lineto 30 10 lineto 0 10 lineto closepath stroke
15 0 translate
0 0 moveto
[ 0 0  30 5  60 0 ] curve stroke
30 5 moveto 0 0 2.4 vector
45 0 translate
0 setgray
0.35 setlinewidth
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[ 0 0  -4 10  5 28  35 30  45 20  60 0  30 -30  12 -25 ] closedcurve stroke
0.55 setlinewidth
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32 25 moveto
[ 32 25  35 0  28 -25 ] curve stroke
25 21 moveto
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20 18 moveto
[ 22 18  25 15  18 12  26 9  20 6  28 3  23 0  34.5 -3 ] curve stroke
34.5 -3 moveto
[ 34.5 -3  27 -6  24 -9  20 -12  24 -15  22 -18 ] curve stroke
34.5 -3 moveto 1.2 disk
grestore
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\LabelTeX 1 0 \RGBColor{0 0 1}{$\bC$} \ELTX
\LabelTeX 16 3.5 \RGBColor{0 0 1}{$f$} \ELTX
\LabelTeX 24 6 \RGBColor{0 0.7 0}{$f(\bC)$} \ELTX
\LabelTeX 38.5 -2.5 \RGBColor{0 0.7 0}{$(\rho_1)$} \ELTX
\LabelTeX 36.5 -9 \RGBColor{1 0 0}{$\Delta_1$} \ELTX
\LabelTeX 31 9.7 \RGBColor{1 0 0}{$\Delta_2$} \ELTX
\LabelTeX 40.7 2 \RGBColor{1 0 0}{$\Delta_3$} \ELTX
\LabelTeX 46 5 $X$ \ELTX
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\InsertPSFigure 5.000 43.000 {
gsave
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0.35 setlinewidth
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1 0.85 0.85 setrgbcolor
29 22 moveto
34 25 lineto 
[ 34 25  37 0  30 -22 ] curve
23 -25 lineto
[ 23 -25  31 -3  29 22  ] curve
closepath fill
1 0.75 0.75 setrgbcolor
18 16 moveto  22 20 lineto
[ 22 20  30 19  46 15 ] curve
42 11 lineto
[ 42 11  26 15  18 16 ] curve
closepath fill
18 -4 moveto  22 0 lineto
[ 22 0  30 -1  46 -5 ] curve
42 -9 lineto
[ 42 -9  26 -5  18 -4 ] curve
closepath fill
%%
1 0.85 0.85 setrgbcolor
29 22 moveto
34 25 lineto 
[ 34 25  35 22  36 18.3 ] curve
31 14.3 lineto
[ 31 14.3  30 18  29 22  ] curve
closepath fill
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1 0.85 0.85 setrgbcolor
31.5 2 moveto
37.2 5 lineto 
[ 37.2 5  37.1 2  36.6 -1.7 ] curve
30.7 -5.7 lineto
[ 30.7 -5.7  31.1 -2  31.5 2  ] curve
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16 27.5 moveto
[ 16 27.5  21 23.5  26 17.5 ] curve stroke
28.3 15 moveto
[ 28.3 15  29.5 13.5  31.2 10.5 ] curve stroke
34.3 6 moveto
[ 34.3 6  36.5 2.5  40.2 -6 ] curve stroke
41 -8.5 moveto
[ 41 -8.5  42 -13  43 -22 ] curve stroke
9 24 moveto
[ 9 24  21 7  26 -2.5 ] curve stroke
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[ 27 -5  28.2 -7.8  29.2 -11 ] curve stroke
30.6 -14 moveto
[ 30.6 -14  31.7 -18  33 -26 ] curve stroke
grestore
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\LabelTeX 17 10 $X$\ELTX
\LabelTeX 1 5 \RGBColor{0 0.7 0}{$V$}\ELTX
\LabelTeX 5.5 -8 \RGBColor{1 0 0}{$\Delta_1$}\ELTX
\LabelTeX 18 -4.5 \RGBColor{1 0 0}{$\Delta_2$}\ELTX
\LabelTeX 17.2 2.8 \RGBColor{1 0 0}{$\Delta_3$}\ELTX
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