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From: Shinya Hayakawa <tetryl@tokyoprogrammer.com>
Newsgroups: fj.sci.math
Subject: Re: =?ISO-2022-JP?B?GyRCSixHW04nJEdKLEdbJDkka0ImJE4xaRsoQg==?=
 =?ISO-2022-JP?B?GyRCOzsbKEI=?=
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Xref: ccsf.homeunix.org fj.sci.math:144

$B$3$s$K$A$O!#Aa@n$G$9!#(B

On Sun, 25 May 2003 19:36:15 +0900
chiaki@ipc.kit.ac.jp (Tsukamoto Chiaki) wrote:
> > $B4D$NDj5A$O?'!9$J652J=q$G8+$F$-$^$7$?$,!"J,G[$9$kB&$N1i;;$r2D4972$K(B
> > $B8BDj$7$F$$$k$b$N$O=i$a$F$G$7$?!#(B
> 
> $B$7$F$$$J$$652J=q$NNc$r5s$2$F$$$?$@$1$^$9$+(B.

$BNc$($P!V?7?t3X9V:B!]Be?t3X!W(BISBN4-254-11434-6 (p.6)
$B!V4D$HBN$NM}O@!W(B(p.4-5)
http://www.rimath.saitama-u.ac.jp/lab.jp/fsakai/bk.html
$B!V72$NH/8+!W(B(p.95)
http://www.iwanami.co.jp/.BOOKS/00/5/0067910.html

$B<j85$K$J$$$N$G3NG'$G$-$^$;$s$,6a=j$N?^=q4[$G<Z$j$?K\$bA4$FF1MM$G(B
$BOB$K$D$$$F2D4972$H$J$C$F$$$J$1$l$P$J$i$J$$!"$HL@8@$7$?$b$N$O(B
$BL5$+$C$?$H;W$$$^$9!#(B

> $B=89g(B R $B$,Fs$D$N1i;;(B $B&U(B: R$B!_(BR $B"*(B R $B$H(B $B&W(B: R$B!_(BR $B"*(B R $B$rH<$$(B,
> $B0l$D$N1i;;(B $B&U(B $B$K$D$$$F$O2D4972$H$J$j(B, $B$b$&0l$D$N1i;;(B $B&W(B $B$O(B
> $B$I$A$i$N@.J,$K$D$$$F$b(B (Z-$B2C72(B (R, $B&U(B) $B$K4X$7$F(B) "linear",
> $B$D$^$j(B,
> 
>   $B"O(B r, s, t $B":(B R, $B&W(B($B&U(B(r, s), t) = $B&U(B($B&W(B(r, t), $B&W(B(s, t)),
>   $B"O(B r, s, t $B":(B R, $B&W(B(r, $B&U(B(s, r)) = $B&U(B($B&W(B(r, s), $B&W(B(r, t)),
                                 $B",J8L.$h$j(Br$B$r(Bt$B$KCV$-49$($FFI$_$^$7$?(B
> 
> $B$K$J$C$F$$$k(B($BJ,G[N'$,@.$jN)$D(B)$B$H$-(B, (R, $B&U(B, $B&W(B) $B$r!V4D!W$H(B
> $B8F$S$^$9(B.

$B$U$`$%!"@~7A@-$H$$$&%-!<%o!<%I$,$"$k$N$G$9$+!#(B

$BHsIi$NM-M}?t$NA4BN#Q(B+$B$O!"!\$K4X$7$F2D4972$K$J$j$^$;$s$,(B
$BNc$(!"!\!"!&$NN>J}$N1i;;$K4X$7$F2D4972$G$"$C$?$H$7$F$b(B
  x + (yz) = (x + y)$B!&(B(x + z)
$B$,@.$jN)$?$J$$$N$O!"L@$i$+$G$9$h$M!#(B

$B<B$O1i;;&U(B $B$K$D$$$F2D4972$G$"$k$3$H$h$j!"1i;;&W(B $B$,@~7A@-$rK~$?$9;v(B
$B$,7h$a<j$@$C$?$N$G$7$g$&$+!#(B
$B$=$l$H$bA0<T$rK~$?$5$J$$$H8e<T$bK~$?$5$l$J$$$N$G$7$g$&$+!#(B

> > $BC1=c$K!"J,G[N'$OM%@h=g0L$NDc$$J}$N1i;;$GJ,G[$7$J$1$l$P$J$i$J$$(B
> > $B$H$$$C$?@bL@$@$H<+J,$N$h$&$JAG?M$G$b9gE@$,$$$/$N$G$9$,(B
> > $B$=$l$@$H8lJ@$,@8$8$F$7$^$&$N$G$7$g$&$+!#(B
> 
> $BFs9`1i;;$r1i;;;R$r4V$K64$`7A$G=q$/$3$H$K$7$F(B, $B&U(B(r, s)
> $B$r(B r # s $B$G(B, $B&W(B(r, s) $B$r(B r & s $B$G(B, $BI=$7$?$H$-$K(B,
> 
>   r & t # s & t
> 
> $B$r(B
> 
>   (r & t) # (s & t)
> 
> $B$N$3$H$H$9$k=,47$N$3$H$G$9$M(B. $B$3$N=,47$bJ,G[N'$bFs$D$N(B
> $B1i;;$rF1Ey$K9M$($F$O$$$J$$$3$H$N7k2L$G$7$g$&$,(B, $B$=$l$,(B
> $B$I$A$i$GJ,G[$9$k$+$NM}M3$H$$$&Lu$G$O$J$$$G$7$g$&(B.

$B$J$k$[$I!"3N$+$K!#(B
$B$=$&$J$k$H!"$I$A$i$GJ,G[$9$k$+$N7h$a<j$O2?$K$J$k$N$@$m$&$H(B
$B?6$j=P$7$KLa$C$F$7$^$$$^$7$?(B..

> $B$NFM$C9~$_=j$O$=$3$G$O$J$/$F(B,
> 
>   N = {0, 1, 2, 3, ... } $B$K(B, $B$=$N(B 0 $B$N!V@Q!W$K4X$9$k5U85$O(B
>   $B$I$N$h$&$KIU$12C$($k$N$+(B.
> 
>   $B!VHsIi$NM-M}?t$NA4BN!W$O!V@Q!W$K4X$7$F2D4972$G$O$J$$(B.
>   $B!V@5$NM-M}?t$NA4BN!W$O!V@Q!W$K4X$7$F2D4972$G$"$k$,(B,
>   $B!VOB!W$K$D$$$F$O!VC10LE*!W(B($BC10L85$r$b$D(B)$B$G$O$J$$(B.
> 
> $B$H$$$&$H$3$m$G$7$g$&$+(B.

$B$"$l!"!"(B0 $B$N!V@Q!W$K4X$9$k5U85$OB8:_$7$^$;$s$h$M!)(B
$B$3$N5-;v$rFI$s$G$$$F$b5$$K$J$C$?$N$G$9$,!"$=$b$=$b<+A3?t$N=89g$O(B
0 $B$r4^$^$J$$$G$9$h$M!)!)(B

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$B$3$s$JD4;R$G$OLLGr$_$bH>8:$G$9$h$M!#!#(B
$B$?$@:#2s$NFC=8$GM#0l?)$i$$$D$$$F$$$1$k%l%Y%k$N5-;v$J$N$G(B
$B7+$jJV$7FI$s$G$$$^$9!#(B

-- 
Shinya Hayakawa <tetryl@tokyoprogrammer.com>
