Next: 3 $B1"4X?tDjM}%$%s%H%m(B Up: $BB?JQ?t$NHyJ,@QJ,3X(B1 $BBh(B21$B2s(B Previous: 1 $B1"4X?tDjM}$H5U4X?tDjM}(B

2 $B5U4X?tDjM}D6FC5^(B

$B5U4X?t$K$D$$$F$O!"(B $B!V $B$,5U $B$r;}$D$?$a$K$O!"(B $B$,A4C1 $B$=$N$b$N$,A4C1
$\begin{jexample} $f\colon\R\ni x\mapsto x^2\in\R$\ $B$OA4<M$G$bC1<M$G$b$J$$$,!$

$\begin{jexample}[1$BJQ?t$N5U4X?t$NDjM}(B] $I$ $B$,(B $\R$ $B$N3+6h4V!$

$B5U4X?t$NDjM}$O!"$3$NNc$NAGD>$JB?
$\begin{jexample}[$B@~7?<LA|$,A4C1<M$H$J$k>r7o(B] $BM-8B<!85@~7?6u4V$N4V$N@~7?<LA|$r9M$.(B.. ...$BC1<M$G$$

$\begin{jtheorem}[$B5U4X?tDjM}(B] $\Omega$ $B$O(B $\R^n$ $B$N3+=89g!$

$B;~4V$N4X78$G!">ZL@$ON^$r0{$s$G>JN,$9$k$,(B ($B6l>P(B)$B!"(B $B5U4X?t$NF34X?t$K$D$$$F$O!"(B $B4{$K3X$s$@5U4X?t$NHyJ,K!$,@.N)$9$k$3$H$rCm0U(B ($B!V;W$$=P$;!*!W(B) $B$7$F$*$/!#(B

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Masashi Katsurada
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2 $B5U4X?tDjM}D6FC5^(B