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From: chiaki@kit.ac.jp (Tsukamoto Chiaki)
Newsgroups: fj.sci.math
Subject: Re: F(z) = q $B&0(B_n (1-q^n)^2(1-q^{11n})^2$B$NJ]7?@-(B
Date: Thu, 21 Apr 2005 21:29:02 +0900
Organization: Kyoto Institute of Technology
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$B9)A!Bg$NDMK\$G$9(B. $B$J$k$[$I(B.

In article <4266702A.5080905@d5.dion.ne.jp>
$BLx3Z@9CK(B <nagira@d5.dion.ne.jp> writes:
> $B$G$-$^$7$?!#(B

[  a b]  (ad - 11bc = 1) $B$G(B c > 0 $B$H$7$FNI$/$F(B,
[11c d] 
 c = 1 $B$N$H$-$K>ZL@$7$F$*$1$P(B, c > 1 $B$N;~$O(B 

  [  a b] = [ad' - 11bc'   a'b - ab'] [  a' b'] 
  [11c d]   [        11  a'd - 11b'c] [11c' d']

$B$H$J$k(B a', b', c', d' $B$G(B a'd' - 11b'c' = 1, |c'| < c $B$H(B
$B$J$k$b$N$,$H$l$k$3$H$+$i(B c $B$@$1$K$D$$$F$N5"G<K!$G$bNI$$(B
$B$h$&$G$9$M(B.

$BJY6/$K$J$j$^$7$?(B.
-- 
$BDMK\@i=)(B@$B1~MQ?t3X(B.$B9bJ,;R3X2J(B.$BA!0]3XIt(B.$B5~ET9)7]A!0]Bg3X(B
Tsukamoto, C. : chiaki@kit.ac.jp
